Ogof Mwn

Scrambling down the rocky path to this sea cave near Haverfordwest feels like stepping into another world entirely. Ogof Mwn - Welsh for 'monk's cave' - cuts deep into the Pembrokeshire coastline, its entrance framed by dramatic cliff faces that rise from the churning waters below.

The cave itself is accessible at low tide, though you'll need proper footwear and a good head for heights to reach it safely. Inside, the acoustics are remarkable - every drip and whisper echoes through the limestone chambers. Local legend claims medieval monks once used this spot for prayer and contemplation, and standing in the cool darkness, you can almost feel their presence.

Adventurous families with older children will love the expedition-like feel, though this definitely isn't suitable for pushchairs or anyone uncomfortable with scrambling over wet rocks. The views from the cave mouth back towards the coastline are absolutely stunning on a clear day.

Timing your visit with the tides is essential - check local tide tables before setting off. Allow at least two hours for the round trip, including time to explore properly. The walk down can be treacherous when wet, so save this for decent weather.

If you're staying at one of the nearby parks like Caerfai Bay or Newgale Campsite, this makes a proper adventure day out. Just don't expect any facilities - bring everything you need and leave no trace.