Cave Dale Cave No 1
Access
Opposite the small quarry near the dale entrance, under the crag below the path up to Peveril Castle. Entrance reached by clambering up rock ledges, which are extremely smooth and slippery, so take care. No known access restrictions.
References
(2010) , Caves of the Peak District, p. 80, DCA
(2017) Castleton’s oldest mine, Descent 254, p.12., Wild Places Publishing