On north side of Middleton Dale. A footpath leads to an exposed ledge midway up the Castle Buttress.The cave is at the east end of the ledge.
No known access restrictions. Obvious parking spots close to base of crags and in lay-bys in the dale and next to electricity sub-station at foot of Eyam Dale. DO NOT BLOCK the sub-station entrance. Take care, as area is notorious for thefts from parked vehicles.
See the DCA website for competition details.