We had a trip down Calf Holes yesterday, following the latest CNCC update we parked at Low Birkwith Farm. We spoke to the farmer there who was very friendly and said we used to park up at High Birkwith, his comments were that he got on with the High Birkwith farmer okay ( farmer to farmer ) but...

Thanks very much for all the information, most of it is way beyond what I understand so I will go with Ian P’s response that it was dug by a dragon. I suppose we were lucky not to see it on Sunday it must have been sleeping in Diccan somewhere. 😀

As we were sat at the bottom of the main shaft at Alum yesterday waiting for one of the party to prussik up, we were talking about how long it took to form Alum and how long had it been there in it's 'current' form. Are we talking hundreds, thousands of years or much longer ?

I'm having to face accepting that my old Meander caving suit is finally past it .... it has been patched numerous times and  still has numerous holes. So I'm looking for a new PVC caving suit, I have seen the threads about the new Meander and the Warmbac but a friend has a Landjoff suit from...