1176 Sima de la Garma de los Trillos (VT62)
Trillos VN48799365 Alt. 650m Length 969m (1295m) Depth 306m (340m)

Updated 30th August 1998; 19th February; 17th December 1999; 14th May 2000; 21st January 2001

The system was resurveyed during the Easter 2000 expedition. The lengths and depths mentioned have the original Spanish data in brackets.

Catalans site which may be a future top entrance to SVS/Valline system. The stream passage ends 306m (340m) down at a feature which could be removed. An alternative grid reference from Cantabria Subterránea. Catálogo de las Grandes Cavidades (García José León, 1997) is VN48799369 z650.

The boulders blocking the route at the base of the cave have a couple of Hilti cap holes.

References: anon., 1996b (logbook); anon., 1998d (logbook); García José León, 1997 (survey); anon., 1999c (logbook); Corrin Juan, 2000; anon., 2000b (Easter logbook)
Entrance picture:
Underground picture(s):
Detailed survey: scanned Catalan survey projected section
Line survey:
On area survey:
Survex file: