Chimney Cave

Scrambling down to this limestone cave near Llandudno Junction requires a bit of nerve and proper footwear. The entrance opens into a surprisingly large chamber where you can hear the sea echoing through connecting passages - hence the name, as the cave acts like a natural chimney drawing air and sound through the rock.

What makes this spot special is the complete absence of tourist infrastructure. No paths, no signs, no admission fees. Just you, the limestone, and whatever torch you've brought along. The cave system extends quite far back, though only experienced cavers should venture beyond the main chamber.

Families with young children should probably give this one a miss - the approach is genuinely tricky and not suitable for pushchairs or anyone unsteady on their feet. Teenagers who fancy a bit of adventure will love it, as will anyone who prefers their nature raw rather than sanitised.

Allow about an hour for the walk down and exploration, longer if you're keen photographers. The light filtering through the entrance creates some dramatic effects, particularly on overcast days when it's most atmospheric.

For those staying at nearby sites like Dinarth Hall or Tan Y Bryn Glamping, it makes a cracking half-day adventure. Just remember to tell someone where you're going and bring backup lighting - mobile signal is patchy at best around here.