looking up pictures of Alum pot and some of them look strikingly like the BCA logo. Could this be what it is? Always have wondered.

On a trip to Cliff-hanger sump today we saw what looked like brown grassy growths in the water at the start of the crawl. The were flowing with the water, like you'd see at the bottom of a river. I've attached some pictures. Does anyone know what this is / how plants are able to survive and...

I purchased a Fenix HM70r off of AliExpress last may, and whilst it worked well for the first few trips it soon started having issues with turning off randomly, not turning on, and eventually not working at all (I charged it regularly and stored it with the cap off as recommended) I wondered...

'The slot' below fox chamber in Winnats is directly below a boulder choke that has been widened by pieces of wood. Much has been said about the safety risks this poses should a piece of wood snap. We were rather alarmed today to find that one of the critical pieces of wood was more bent than...

I thought it would be interesting to create a ranking of all the main sport trips in Derbyshire! Z tier is for caves I don't feel I can properly rank, as I haven't done them fully, and ? is for ones I don't know enough about. This is just my opinion, so let me know if you disagree. Here is a...