High levels of CO2 are regularly experienced in the deeper parts of the system. See map for authorised routes to these sites from B6061 road. Call at Oxlow House Farm first where £2 charge is payable. Failure to do this could upset future access for everybody. No changing available at farm, limited parking at Farm in the small yard immediately next to the road in front of the barn, do not obstruct gates, a small parking fee of £1 is charged. Alternatively, use roadside verge but beware, as parked vehicles have been broken into. Do not approach entrances from Rowter Farm direction. Waymarkers in place to help locate Nettle Pot. Leave all entrance lids secure and heed any warning notices posted on state of these sites & their entrances. Report any problems to DCA.
- Chantry, M.H. (1937), Caves and Caving (pre-war series) No.1., pp.34-37. Survey., British Cave Research Association.
- Gill, D.W. (1970), E.P.C. Jour. Vol.7. No.3., pp.43-47. Survey., Eldon Pothole Club.
- O'Neill, P. (1987), D.C.A. N/L No.65., pp.2-4. Survey., Derbyshire Caving Association.
- Salmon, L.B. and Boldock, G. (1951), B.S.A. Cave Science Vol.2. No.16., pp.331-338., British Speleological Association.