Most of our current members live across the South of England and South Wales where we have a cottage adjacent to the Mynydd Llangattock limestone massif. This has some of the longest and largest caves in the country with 65+ kms of explored passages.
Are you new to caving?
CSS welcomes new members, offering them
the opportunity to make new friends and to
learn new skills, exploring the underground
world one cave at a time.
CHELSEASPELÆOLOGICALSOCIETYExploring underground across the UK and beyond
CHELSEASPELÆOLOGICALSOCIETYCaving in Wales,the South of England,and beyond
Stay at Whitewalls Cottage
Looking for a place to base your club’s caving weekend in Wales? CSS hires out its warm, well-equipped cottage with up to 16 bunks available, kitchen, showers, changing area, garden with BBQ and camping pitches.
Visit our local caves
With world class caves right on our doorstep, each offering classic trips of varying length and complexity, there’s plenty to keep both beginner and experienced cavers occupied.
2022 Club Trips and Meets
Our meets organiser has put together an exciting programme of trips and socials for the coming year. Click the button below for more details.