Updated 13th June 2005
A rift above the track that could be opened with minimal work. There is a possible dig below the track.
Later in 2005 the block in the entrance was removed and the site linked to a bottom entrance. A dig requires hotter weather for detecting the draught.
Reference: anon., 2005b (Easter & summer); anon., 2005d (Whit logbook)
Entrance pictures: yes
Detailed Survey :
On area survey: