False 1623-136b Slot entrance, leads 10m down spacious boulder slope to p5. Warm draught.

136b is 22m N of 136a S S 1789m 82237 36367 p136b p136b VSK: 233°, Hollweiser: 145° (from a point between the WK7-WK10 entrances) smkridge/161/136b.htm