The MNRC is a member of the Council of Southern Caving Clubs, the Charterhouse Caving Company Ltd (CCC) and the British Cave Research Association. This allows the club full access to caves in the restricted Charterhouse Area and the others on Mendip. As with other CCC Ltd clubs, the MNRC has leaders for Charterhouse cave.

The MNRC is a member of the British Caving Association

The MNRC can issue permits for CCC controlled caves at 50p for a 14 day temporary permit, and can also issue keys for access to most of the gated caves on Mendip, for a £1 administration fee plus £10 returnable deposit.