Melin Trefin Mill to Aber Castle

Get to know this 8.9-km out-and-back trail near Haverfordwest, Pembrokeshire. Generally considered a moderately challenging route, it takes an average of 2 h 7 min to complete. This trail is great for fishing, hiking, and running, and it's unlikely you'll encounter many other people while exploring. The best times to visit this trail are April through September.