Updated 17th January 2004; 22nd April 2008; 13th June 2018; 12th May 2019

[Previous grid reference was 30T 458063 4798447 (Datum: ETRS89)]

An entrance slope leads into a large passage with some good formations. Midway along the passage a rift on the right leads to other cross rifts, all apparently choking.

References: Corrin J, 1983c; material in file; anon., 2008c (Easter logbook); Facebook (MCP page); anon., 2019b (Easter logbook)
Entrance pictures : 2004, 2018
Underground pictures: 2004 : 2018
Detailed Survey : 1:1000 (This combined survey of 422 and site 421 does not show the correct relative positions. Site 421 is well north of 422)
Line Survey :
On area survey :
Survex file :