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<title>1623:88</title>
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<center><table border=0 width=100%>
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<tr><th align=left><font size=+2>88</font></th>
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<th align=center lang="de"><font size=+2>Lärchenschacht</font></th>
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<th align=right><font size=+2>3/S/T x</font></th></tr>
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</table></center>
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<p><b>Location:</b> E 36305 N 81395 H 1647m<br>
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<b>Depth:</b> 215m to connection below <span lang="de">Stellerweg</span> big
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pitch.
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<p>Few details available, since we were for many years unable to obtain a
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survey. A figure of over 6 km long in 1987 was quoted, but this would appear
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to include the <a href="40.htm">Eishöhle</a>. Contact was finally made
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with the French group in 1997 and <span lang="fr">Denis Motte</span> has sent
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us a plan on 12 A3 sheets, dated April 1995, which gives the length as 1885m.
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The following description is made up entirely by looking at the survey, and
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should not be taken as reliable. It is hoped that we will do better after
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visiting the cave with a view to finding its connections with
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<span lang="de">Stellerweghöhle</span>
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(<a href="../../smkridge/41.htm">1623/41</a>) and
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<a href="../../smkridge/144.htm">1623/144</a>.
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<p>Open shaft descends 5m to first rigging bolt, then short pitch to
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snow plug. The way out is to the NE, where the survey shows a couple of
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(inaccessible ?) question marks and a traverse over a pit. Narrow rift
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continues past another unexplored small passage to the right, and in 20m
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opens out into a sizeable chamber. The boulder floor drops away to the
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north (left) and ahead. Up right is a bouldery antechamber with the base
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of a ramp up SE. A short passage here chokes.
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<p>20m across the boulder slope, it is possible to descend the slope left
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into the main part of <b lang="de">Oberpfälzer Halle</b>, 15m wide and
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30m long, now heading west, still descending over boulders. To the right is a
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15m rift passage with an inlet. Ahead, the chamber narrows, but large
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bouldery passage continues with two or three big boulders (over 5m). To SW is
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a junction marking the start of <b lang="de">Jsartal</b>. Up a steep ramp to
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the right (NW) is unexplored, whilst left, south, goes directly below the
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entrance in a passage with a slot in the floor. After 25m is a widening and
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junction. Right curves round to end below an aven. Left goes quickly to
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another junction. Right soon chokes in boulders, whilst left ends quickly in
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an undescended rift pitch.
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<p>Back at the junction at the start of <span lang="de">Jsartal,</span> the
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main way SW soon traverses a large hole in the floor, then continues as a
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small canyon until 50m from the start is a junction in small passage. Right
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pops out immediately into the side of a ramp rising right (north) to a choke.
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Down ends in a pitch, which is best reached by the small passage left at the
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junction. This quickly doglegs and comes out over the pitch on the opposite
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side from the ramp. The pitch (undescended) is seen to be a widening in a
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deep floor canyon, which continues as <span lang="de">Jsartal</span> develops
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into an 8m wide rocky chamber through which the floor trench meanders.
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<p>After a short way, the trench abruptly ends, and a ramp up above it leads
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to a junction. Left continues up ramp, but not very far. Right traverses the
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ramp (another down-section soon ends), then heads west past another blind
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passage on the right, to break out into a larger passage ahead. Left (south)
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is the way to <span lang="de">Geburtstagsgang,</span> whilst right (north)
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eventually leads to the
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<a href="#fsw"><span lang="de">SchwarzmooskogelEishöhle</span>
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connection</a>.
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<h3 lang="de">Geburtstagsgang</h3>
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<p>Ascending a low ramp leads past various short side-extensions to
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<b lang="de">Schafott</b> - apparently a breakthrough point in 1986 ? Beyond
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this, small passage continues SW, with a mudbank on the left, for almost 50m
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until it widens out and descends a steep slope towards a floor trench. Left
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here a further ramp ascends east to a choke. The floor trench continues W,
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then NW, but would seem to be too narrow. Staying on the north side of the
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trench and heading NW (right from the point of entry) leads through mud
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and/or shingle deposits in a small zig-zag passage which meets first a small
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canyon which doesn't go, and then a T-junction over another canyon.
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<p>Right ends after ten metres or so, whilst left (west) meets another
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junction where a further trench comes in from the left (south). This
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also appears to be too small to follow, but would seem likely to connect
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with one or both of the trenches seen earlier. Ahead reaches a chamber,
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with a steep slope down left to yet another trench, but staying high
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gains the continuation of <span lang="de">Geburtstagsgang</span> continuing
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small with a narrow floor canyon. This now goes NW for 50m, to a T-junction.
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Right ends almost immediately, whilst left shortly pops out in bigger passage
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on a ledge overlooking a small stream.
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<p>Right in the canyon, 12m away, is bigger passage
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<span lang="de">(<a href="#gc">Großer Cañon</a>),</span> and the
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original way to Stellerweghöhle, whilst ahead/left goes west, quickly
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picking up an inlet from the left and dropping 30m in <b lang="de">Ungarn
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Cañon</b>, a narrow way for 50m, to where exploration ceased. It is
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not clear, but this may well be a pitch, quite possibly into part of the
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<span lang="de">Stellerweg</span> system.
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<h3>To <span lang="de">Stellerweghöhle</span></h3>
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<p>By going right at the start of <span lang="de">Ungarn Cañon,</span>
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large, bouldery passage is soon met at a T-junction. To the right is an
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alternative route from the entrance via
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<a href="#fsw"><span lang="de">Frankenschnellweg</span></a> and
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<span lang="de">Großer Cañon.</span> This route was found first,
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but the survey numbering suggests it was surveyed later and I might deduce
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that this is not the normal way.
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<p>Left in the bigger passage is over boulders, passing a short passage on
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the left. A hole in the floor of this appears to connect to
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<span lang="de">Ungarn Cañon.</span> Ahead, a slit in the floor is
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traversed (on the right ?) to reach a pair of large boulders. Up right here
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ends quickly in an unclimbable sediment wall. Continuing west, the trench
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reappears (now traversed on left) and soon expands to be a large hole in the
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floor. It is unclear from the survey how this is crossed, but on the far
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side, it would appear that a pitch of c 35m is descended, over jammed blocks.
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Rising steeply to the right (north) from (the foot ?) here is an unascended
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ramp, which seems likely to connect to unsurveyed passages below Roddick's
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Dive in <a href="../../smkridge/144.htm">1623/144</a>.
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<p>A continuation WNW from this point would appear to be part of the
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streamway below the <a href="../../smkridge/41/41.htm#bigpitch">Big Pitch</a>
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in <span lang="de">Stellerweghöhle.</span> This in turn suggests that
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the 35m or so descent must be in the lower part of this shaft, and the ramp
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seen to the right starts some way above the foot of the pitch.
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<h3><a name="fsw"><span lang="de">Frankenschnellweg</span></a> and the way to
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the <a href="40.htm"><span lang="de">Eishöhle</span></a></h3>
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<p>From the junction at the west of <span lang="de">Jsartal,</span> large
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passage heads north for a short way to a T-junction. Right encounters two
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floor trenches, the right hand of which soon widens to a 3m deep blind pit.
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Across this is 25m of rising passage to a choke. Left soon swings round and
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heads north again, passong another short, blind ascending way on the left. A
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short section of floor trench is traversed and a short way beyond is
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<b lang="de">Brotzeitplatz</b>, where a large cross-rift goes a short
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distance left and right.
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<p>Ahead is <b lang="de">Frankenschnellweg</b>, a rifty passage with rounded
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roof, heading north with an initial floor trench. Thirty metres or so from
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<span lang="de">Brotzeitplatz</span> another cross-rift is met, this time at
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an angle. This is the start of a slightly mazey area. To the right is narrow
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for 30m to the edge of a wide shaft, <b lang="de">Regenschacht</b>, 4m deep.
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By traversing right on the near edge, a small passage is gained which circles
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all the way round to the far side, then ends in a small aven.
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<p>Ahead in <span lang="de">Frankenschnellweg,</span> another cross-rift is
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encountered less than 20m ahead. Right turns sharply back and connects to the
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<span lang="de">Regenschacht</span> passage about halfway along. Left is too
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narrow to follow, but lines up with another section of rift in the mazey
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area. Continuing north in <span lang="de">Frankenschnellweg,</span> the
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boulder floor changes and a steep slope down leads to the lip of a canyon at
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<b lang="fr">Puits du Sable</b>. Directly opposite is a short blind ramp up.
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Right is the way to <a href="#gg"><span lang="fr">Grand Galerie</span></a>,
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described below, whilst left is the start of <span lang="de">Großer
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Cañon.</span>
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<h3><a name="gc"><span lang="de">Großer Cañon</span></a></h3>
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<p>This is the deep rift reached at the end of
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<a href="#fsw"><span lang="de">Frankenschnellweg</span></a>, but it is not
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clear that this is the best way to get to it. Back at the start of the mazey
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area, the way left (SW) is boulder-floored rift which continues for twenty
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metres or so until a junction. Ahead chokes, but two ways right soon unite.
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The left way looks harder - a traverse over a trench, whilst the right way is
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boulder floored. Beyond the reunion is narrower, with a slot in the floor,
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and zig-zagging roughly NW, though clearly interrupted by a number of SW-NE
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joints. One of these can be followed for ten or fifteen metres, where it
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becomes too narrow, but lined up with a cross-rift in
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<span lang="de">Frankenschnellweg.</span>
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<p>After this joint, the next junction is effectively an oxbow on the
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left, where a bat was found during exploration. Ahead soon reaches the top of
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the <b lang="de">Großer Cañon</b>, some 40m downstream from the
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point reached in <span lang="de">Frankenschnellweg.</span> A descent to the
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bottom at this point is a 30m pitch. Directly across from the point of entry
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is a ramp up, with various sediment banks, leading to
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<a href="#sh"><span lang="de">Sophienhalle.</span></a> To the right goes back
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towards the <span lang="fr">Puits du Sable</span> and
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<a href="#gg"><span lang="fr">Grand Galerie</span></a> - see below.
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<p>To the left, <span lang="de">Großer Cañon</span> heads SW in
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a classic meander, or traversing rift. Give or take a couple of zags, this is
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straight for almost 100m, at which point it is interrupted by a bouldery
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chamber of about 10m diameter. Beyond, <span lang="de">Großer
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Cañon</span> continues S then SW again, getting wider. Boulders hide
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the trench, and the passage curves west. To the left is the way in via
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<span lang="de">Geburtstagsgang</span> and on to <span lang="de">Ungarn
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Cañon.</span> Ahead is the main way into
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<span lang="de">Stellerweg,</span> described above. It is not clear whether
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the stream below <span lang="de">Großer Cañon</span> goes on
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this way, or joins <span lang="de">Ungarn Cañon.</span>
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<h3><a name="gg"><span lang="fr">Grande Galerie</span></a></h3>
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<p>Upstream in <span lang="de">Großer Cañon,</span> most easily
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reached by the <span lang="fr">Puits du Sable,</span> ascending passage heads
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east, and soon develops into a very wide passage with a deep canyon floor. It
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looks as if this passage is done at the level of the bottom of the canyon,
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which leads up, passing an inlet on the right, to a large pool at the foot of
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<b lang="fr">Puits Madonna</b>. This is ascended to reach a similar level to
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the point of entry above <span lang="fr">Puits du Sable.</span> The
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continuation enlarges into <b lang="fr">Grande Galerie</b>, soon attaining
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impressive dimensions of 15m wide by 20m high. Question marks mark apparently
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inaccessible passages, two on the right and one on the left.
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<p>Beyond a couple of impressive boulders, a climb up leads to a smaller
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continuation. To the right is a hole in the floor with passage beyond,
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but left is a ramp up which soon rejoins the passage beyond the hole. The
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way gets bigger again, in passage first explored from
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<a href="40.htm"><span lang="de">Schwarzmooskogeleishöhle</span></a>,
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until after 50m, it ends at the foot of a thirty metre pitch from the other
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cave.
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<h3><a name="sh"><span lang="de">Sophienhalle</span></a></h3>
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<p>On the NW side of <span lang="de">Großer Cañon,</span>
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directly opposite the entry via the mazey area, or 40m downstream from the
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entry via <span lang="fr">Puits du Sable,</span> is a ramp up NNW. Right and
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left are walls of sediment, but the main way suddenly turns right, though
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still ascending steeply. The ramp eases and becomes more bouldery, now
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heading NE, suddenly to end at a widening above a deep undescended pit. A
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climb up on the right of this reaches the top of the far wall, in a large N-S
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collapse chamber, <b lang="de">Sophienhalle</b>. This shows clear bedding in
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the walls, and appears to have formed by spalling. Over the boulder floor,
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another steep wall precedes a ramp down to a choke. Dotted lines suggest a
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northward continuation, though whether this is above or below the ramp is
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unclear.
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<p><b>Exploration:</b>
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<ul>
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<li>First descent by <span lang="de">Reinhard Lemmer</span> in 1983, depth
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40m, blocked by ice.
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<li><span lang="de">Reinhard Kieselbach, Franz Lindenmayr</span> and
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<span lang="de">K Peter</span> make second descent over a weekend in
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August 1985, finding the <b lang="de">Oberpfälzer Halle</b>.
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<li>In September, FHKF, VHM and HFG-KA returned, discovered
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<b lang="de">Frankenschnellweg,</b> and the way to the
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<b lang="de">Großer Cañon,</b> and surveyed.
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<li>In 1986, exploration continued to <b lang="de">Hall Dom,</b> connecting
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to <span lang="de">Stellerweg.</span> Also found
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<b lang="de">Geburtstagsgang,</b> which came out in
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<span lang="de">Großer Cañon.</span>
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<li>In 1987, the German groups were replaced by French
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(<a href="../../others/gscb/index.htm">GSCB,</a> GSD, ASCR) who found
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<b lang="de">Sandschacht,</b> heading N and E. A 5m climb from
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<span lang="fr">Puits Madonna</span> reached a passage with cairns and a
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definite connection to <span lang="de">Schwarzmooskogeleishöhle.</span>
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A through trip was done the next day by GSCB and GSD.
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<li>In 1988 surveys were tied together with an improved surface survey.
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</ul>
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<p>Information from
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<a href="../../others/gscb/index.htm"><span lang="fr">Groupe
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Spéléologique de Clerval - Baume les Dames</span></a>
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