/ Big cave in Gower, info please
Sounds like Bacon Hole. Climbing is banned there both for historical and for wildlife reasons, I think.
The other big cave around there is Minchin Hole, which has a couple of sport routes but access is also complicated (plus it doesn't sound like what you describe).
Yes I was checking the South Wales & Gower guidebook and it does sound like Bacon hole. Shame it's protected, it would be an amazing cave to climb. Oh well.
I was always (back in the olden days when I used a rope) inspired by 'the divine guiding light' at giants cave, massive roof, exiting though a blowhole!
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