Permission from Torr Top Farm (also run as High Peak Kennels). Charge of £1 for use of car parking area. Car parking area is through next gate on Sparrowpit road.
Passage beyond Yoga Hole sumps in wet weather, and rescue from beyond would be exceptionally difficult.
- Elliot, D (1975), Caves of Northern Derbyshire. Part 3., pp.8-12..
- Gill, D.W. (1973), D.C.A. N/L No.16., Survey., Derbyshire Caving Association.
- Poole, C., Darroch, C., and Borthwick, P. (1970), D.C.A. N/L No.8., pp.3-4., Derbyshire Caving Association.