If you want greatest vertical range between the bottom of a cave and the top of Scafell pike then I wouldn't be surprised if some little grot-hole around Morecambe bay wasn't a contender. All the classic dales caves start quite a way above sea level.
Thanks for the replies guys. The reason I ask is that I have a little challenge in my head. I would like to do the deepest vertical possible then go and do the highest possible (scafell pike) in England in a day. My friend who caves doesn't do SRT so I'm thinking about options
Also in the Lakes - and also doable without cage riding! - is Greenside Mine at Glenridding. I don't know if its still open but it used to be possible to enter at the Glencoin Level (approx 600m OD?) and make your way down to Lucy Tongue Level (approx 365m OD?) - so a drop of approx 770ft. This could mostly be done on the old miners wooden ladders - which were in a reasonable condition - though for one shortish section you had to take your own ladder. Origianlly you had to go back up again to get out but Lucy Tongue Level has since been opened up so - assuming you can still get through - that's a fair drop for a "ladders only" trip. And not that far from Scafell Pike either.
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