Longwood Swallet

Water disappears into the earth here with proper dramatic effect. Longwood Swallet is one of those natural phenomena that makes you appreciate the limestone landscape around Cheddar - this is where surface water simply vanishes underground through a gaping hole in the rock.

The swallet itself is essentially a natural drain where streams plunge into the cave system below. After heavy rain, the effect becomes quite spectacular as torrents of water cascade into the depths. On drier days, it's more of a geological curiosity than a rushing waterfall, but still fascinating if you're into understanding how the Mendip Hills work their underground magic.

Cavers know this spot well - it's part of the extensive cave network that honeycomb this area. For the rest of us, it's a short walk to see something genuinely unusual. Kids find the idea of water disappearing into the ground pretty captivating, though there's not much else to occupy them once they've had a look.

The walk from nearby Cheddar takes you through proper countryside, and it pairs well with other Mendip attractions if you're staying at one of the local sites like Cheddar Woods Resort or Petruth Paddocks. Worth combining with Cheddar Gorge for a full day exploring Somerset's limestone landscape. Just don't expect facilities - this is nature doing its thing, nothing more.