These forts on the outskirts of St David's are typical of a number of similar sites along Pembrokeshire's coastline. Taking advantage of natural promontories by digging ditches and constructing banks across the neck of the promontories, the fort builders created impressive and easily defended locations.

The two forts at Caerau are linked together by a bank and ditch, suggesting they were probably occupied together at some point.
See if you can spot the original entrance on the south-west, where the bank turns in towards the interior.

A coastal footpath leads you through the site.

Directions
Take the A487 towards Fishguard from St Davids. Turn left on to B4583, then turn right on to the minor road towards Abereiddy. After 6.4km, turn left to take road marked Caerhys and Llanvirn. Park in the beach car park 1 km down this road. Head back up the road on foot to stile and head west along the coastal path to the site, which lies about 900m along the path.