All walks › Tywi Valley and Carmarthen
Tywi Valley and CarmarthenCarmarthen and the Tywi
Riverside paths through the oldest town in Wales, past the castle and the Roman amphitheatre, with the tidal Tywi alongside.
- Distance
- 3.1 mi / 5 km
- Time
- 1 hr 40
- Ascent
- 60 m
- Difficulty
- Easy
- Shape
- Circular
Where it is
The circle shows the general area, not the exact start. Use the directions link below to get to the car park itself. Contours and paths shown are OpenTopoMap, drawn from OpenStreetMap data.
The route
Follow the river through the town and loop back past the castle and amphitheatre. Flat and mostly surfaced.
Worth knowing
- Carmarthen claims to be the oldest town in Wales, founded as the Roman Moridunum.
- The Roman amphitheatre is on the eastern edge of town and free to visit.
- Merlin is traditionally associated with the town; Caerfyrddin may mean Merlin’s fort.
What you’ll see
The tidal Tywi, the castle gatehouse, and the Roman amphitheatre.
Background
Moridunum was the civitas capital of the Demetae and one of only two Roman towns in Wales.