239 Peter Plummet
San Miguel VN57989650 Alt. 60m  Length 90m Depth 60m+

Updated 19th February 1999

A short cave ends at a boulder slope into deep water. The sump has been dived to a rift with a sideways swim down into a half moon passage descending at 30 degrees. At a depth of 35m a lip is met and the passage plummets.

During Whit 95, Rupert Skorupka descended 25m down the shaft, in clear visibility to about sea level. The shaft was continuing down at another 20m with no sign of the bottom.

In October 1995, an attempt using helium in larger bottles was thwarted at the constriction.

At Whit 1996, Rupert returned and descended to - 74m, about 20m below sea level, stopping just below a large, precariously balanced flake. The shaft could be seen to continue down, narrow and very spiky with no bottom in sight. Reference DH has the full account of this dive. A CDG Newsletter has the technical details.

A video shows that the Grupo de Exploraciones Subterraneas de Estepona have been working here (in sifones próximos to a depth of -15m) and at Nacimiento del Río Clarín (115).

References: Kendal Caving Club and Manchester University Speleological Society, 1975; Corrin J S and Smith P, 1981; anon., 1981 (logbook); Corrin J et al, 1981a; Corrin J, 1983c; card/material in file; anon., 1995b (Whit logbook); Corrin Juan, 1995a (survey); Skorupka R, 1996b (survey and photo); Skorupka R, 1996a; Corrin Juan, 1997a; Corrin Juan, 1997b
Entrance picture :
Underground picture(s):
Detailed Survey :
Line Survey : 1:500
On area survey :
Survex file :