Tresviso Caves Project

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D-10: Cueva'l Hierru

(Cueva del Vierro, Cueva Jierru, E26)
Area:Vegas de Sotres
East, North:358100, 4784320 (nearby)
Coordinate Quality:Google Earth
Long, Lat:-4.7465355831405, 43.198301115106 (map)
Elevation (m):1650
Length (m):625
Depth (m):-449
System:
Active Lead:
Survey Available:

Approach
The entrance is located at the top of a scree slope, on the right bank of the Vierro Canal. It is approached from Las Vegas de Sotres, following the trail to Camarmeņa and going up the Vierro channel for 1.5 km. To the left, above the scree slope, is the cave.

Entrance
No description currently available

Description
Strong draft blows out the entrance. The cave is extremely tight and narrow for the first 50m of depth, following a meander of around 50cm in average width. The meander is interspersed with pitches which are generally wide and comfortable

At -50m to -100m depth the meander becomes even tighter and must be negotiated by traverse at different levels to progress

Sumps at -449



Note: according to Spanish exploration (2013) the original 80's survey is correct in detail but direction is opposite of drawing! Location / original GPS also suspect and entrance may be opposite side of channel.

Very hard cave, tight and cold

Reference
S.C.Alpin Languedocien (1978-1982)
Grandes Cuevas y Sima de Espana (C.Puch, 1998)
La Cambera 2013

"HENRY Francois - S.C.A.L. 1977 - 1978,""p 124.
AZEMARD Samuel - C.A.F. 1982, pp 26 - 33.
MAFFEI Jean-Pascal - S.C.A.L. 1979 - 1983, P 85~
HOULEZ Jean-Paul - S.C.A.L. 1979 - 1983, P 88.
AZEMARD Samuel - S.C.A.L. 1979 - 1983, pp 89 - 95."

Images
No images available