Tresviso Caves Project

Tresviso Caves Project Gazetter

T104: Torca del la Nevera

Area:Mazarrasa Mines
East, North:360974, 4785643 (nearby)
Coordinate Quality:GPS
Long, Lat:-4.7115103699397, 43.210743741631 (map)
Elevation (m):1865
Length (m):0
Depth (m):-104
System:Torca del la Nevera
Active Lead:
Survey Available:


Past the Pozo de Andara (Lake Depression) above the Caseton de Andara into the valley. Continue along the track from the 'long cabana' and climb the large spoil mound to the entrances.

Alternate route from Caseton de Andara: From the refugio take the path to the Lake Depression (Pozo de Andara), at the obvious red pond (on LHS) take the track directly south and head up and over to the Long Cabana and the Sara Depression (Vegas de Andara)


Three obvious, numbered, interconnecting mined entrances on a mined out fault. The natural surface fracture runs 100 - 200m towards the Pozo de Andara (Pozo de Andara (Lake Depression)) with many entrances along the fracture Easiest access by T104, the only horizontal entrance. Small square hole, for 2m to top of pitch. entrance has line of boulders in entrance to 'warn' passers by not to enter


T104 is main entrance and leads to a connecting passage to T102 and T103 connect.

A P16 lands on a snow plug (T102 and T103 entrances directly above) and is followed by a P20 onto a sloping mined series

A further 30m pitch reaches the bottom


Anon.. (1978). "Tresviso 78. An expedition to the Picos de Europa, northern Spain- LUSS 1978". LUSS.
Anonimo. (1981). "Tresviso 80. An expedition to the Picos de Europa, Northern Spain, 1980". L.U.S.S.
S.E.I.I. (1982). "Expediciones a Tresviso". Cuadernos de Espeleologia- 9/10-183-214.
SEII. (1978). "Tresviso 78". SEII. Informe inedito.
Cantabria Subterranea 1997, 2010
T.C.P. (2021)