Go to the Main Mendip Cave Registry Search PageMap with: Google Map, or OS Explorer Map from Streetmap.co.uk
Toothache Hole Un-named Swallet nr. Rhino Rift Rhino Rift Longwood Swallet
Go to the Main Mendip Cave Registry Search Page
Longwood Valley, Charterhouse-on-Mendip.
| NGR: | ST 48593 55473 |
| WGS84: | 51.29605, -2.73868 |
| Length: | 827 m |
| Depth: | 114 m |
| Altitude: | 207 m |
| Tags: | Cave, Dig, Sink, SSSI, LNR |
| Registry: | mcr-cs |
Currently being dug, hampered by frequent high-water conditions, recent (2023) extensions by WCC have revealed a 24m shaft followed by an 11m shaft connected by excavated rifts, work continues.
Alternate Names: None recorded.
Notes: Digging not permitted without authority from CCC Ltd.
Search for this site in the MCRA Bibliography.
Photos from the MCRA Archive:
This entry was last updated: 2025-08-19 10:55:46
Errors or omissions in this information? Submit corrections/additions/comments for this entry to the registrars.
All database content Copyright 2025 Mendip Cave Registry and Archive.
Your use of this website is subject to the Disclaimer.
Web Registry software by Matt Voysey.