6 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: ogofâu a bargodion
Saesneg: caves and overhangs
Cymraeg: tîm achub ogofâu
Saesneg: cave rescue team
Saesneg: National Showcaves for Wales Centre
Saesneg: South & Mid Wales Cave Rescue Team
Saesneg: SMWCRT
Saesneg: submerged or partially submerged sea caves