In reply to MikeSilverstone:
St Bees! Lovely video here.
As mentioned on another thread, the floor gets slippy in winter (as in, lethal, totally impractical) - I experienced this last Feb, so not sure if the death slime is in situ this time of year.
Northumberland!
Shaftoe, Rothley and Hepburn are all great for starters.
Get a copy of Boulder Britain if you can - it's a brilliant read, even if you never go to any of the weird and wonderful (and abysmal) venues therein.