| Heart of Wales Line Trail | |
| Length Km: | 229 |
| Trailheads: | Craven Arms Station 52.442°N -2.838°W Llanelli Station 51.674°N -4.161°W |
| Season: | All year |
Heart of Wales Line Trail is a long distance footpath, running 229 kilometres / 142 miles from Craven Arms to Llanelli. It was opened in 2019 following four years of planning. The trail marker is a stylized image of a train crossing the Cynghordy Viaduct.
The trail links nearly all of the stations of the Heart of Wales Line allowing for easy car-free access. Places on the route include Knighton, Builth Wells, Llandovery and Millennium Coastal Park.