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63 lines
3.0 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<title>1626:5</title>
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<link rel="stylesheet" type="text/css" href="../../css/main2.css" />
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</head>
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<body>
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<table id="cavepage">
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<tr><th id="kat_no">5</th><th id="name">Nagelsteghöhle</th><th id="status">2/W +</th></tr>
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</table>
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<p><b>Altitude</b>: 865m</p>
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<p><b>Location</b>: Above Rettenbachtal (north side); about 20-25 minutes on
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foot from Blaa-Alm.</p>
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<p>A resurgence cave of major importance, visited by CUCC in 1976 and 2002.
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Krenmayr gives it 278m long, seasonally active, very roomy water cave. The
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associated perennial resurgence is Naglbrünndl, putting out 50-100
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l/s.</p>
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<p>Continue past the Blaa-Alm hostelry on the track to a crossroads of paths.
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Take the path to the right and then bear downhill and to the left at a fork by
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a small wooden hut. Follow the track until you end up walking parallel to the
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river; keep a lookout on the right for a small bridge across the river. Cross
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the bridge and take a small path to the left, which arrives at a further
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(smaller!) bridge over a stream. Just before the bridge, ascend up the
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hillside to the right through the undergrowth, keeping the large rocky gully to
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your right and the stream to your left. After a few minutes you will arrive at
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the resurgence (under tree-roots) to the left. At this point, cross into the
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gully on the right and climb up to the very top to reach the cave.</p>
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<p>Entrance is at the head of a large, steeply-inclined stream bed (carries
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major flow in flood), and is reminiscent of Sleets Gill. A short climb
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(protection advisable; two hangers in situ; rope of unknown vintage present in
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2002) leads to a tube. This descends at 45° to a short walk round a pool
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to a short greasy climb. One soon emerges in the huge main passage, floored at
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the lower end by vast amounts of very unpleasant mud. The sump is reached by a
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right turn over some fine stratified sand, but CUCC's interest lay in some
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holes in the roof at the top end, with the hope of a high-level
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continuation.</p>
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<p>The mud eventually runs out to be replaced by more and more inclined slabs,
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which were very easy on the way up. The gradient steadily increases until the
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floor merges into the end wall, and the trickle of water enters from high up.
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At this point, a couple of holes in the roof have already been passed, but
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investigation revealed these to be beyond reasonable reach without some fairly
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serious bolting.</p>
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<p><b>Exploration</b>: LVHK Oberösterreich, 1972</p>
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<hr />
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<!-- LINKS -->
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<ul>
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<li><a href="../../1626/index.htm#id5">Index</a> and overview of 1626.</li>
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<li><a href="../../areas.htm">Overview</a> of area 1623</li>
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<!-- need link to LVHKO intro page - not yet written -->
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<li><a href="../../index.htm">Back to Expedition Intro page</a></li>
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<li><a href="../../../index.htm">CUCC Home page</a></li>
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</ul>
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</body>
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