Tham Mae Usa

Useful Information

Location:	Tham [cave] Mae Usa, is signposted off the Mae Sot to Mae Ramat highway.
Open:	April 2003
Fee:	300 baht per party
Classification:	Karst cave.
Light:	electric.
Dimension:	L=1019m, A=400m asl, VR=88m
Guided tours:	D=90min.
Bibliography:	John D Dunkley (1995): The Caves of Thailand, p 64 (2003): , Shepton Mallet Caving Club Jl Ser 11 (3) Spring 2003 pp 92, 94, survey and 6 colour photos.
Address:	Tham Mae Usa, Ban Mae Kasa [area], Mae Sot, Tak [province], Thailand.
Last update:	$Date: 2008/10/09 18:38:15 $

History

Description

There are over 850 steps to ascend to the entrance from where a steeply descending route, spiralling down between boulders, leads to a large chamber 50 m wide and 15 m high, with much guano and many bats. Below this chamber the cave follows a very large, straight passage along the strike towards the south. The passage is up to 30 m wide by 20 m high and in parts has a smooth earth floor for a straight 100 m. Despite being a show cave the going is quite difficult in places with very subdued lighting so boots and your own light are recommended. The tour ends at a lake but the cave continues for another 100 m to a mud choke.

Text by Tony Oldham (2004). With kind permission.

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