Brecon Beacons National Park.
Distance: 20 miles
Start SO 0401128525, Free car park Brecon, just off Silver Street
The route starts just off Silver Street in Brecon, within a free car park. Turn at Llanfaes Ice cream shop and first left to reach the car park.
Run back to the main road and turn left towards the town centre. As you cross the bridge take gate to the right which leads you down to the river. Follow the river footpath until you reach an option to take three lanes. Take the centre lane which is canal road. This road will lead you to Theatre Bryncheiniog, the canal basin and the start of the Taff Trail.
The navigable section of the Brecon and Monmouth canal is 35-mile (56 km) in length. It starts at Brecon and runs through the Brecon Beacons National Park to Pontymoile Basin in Pontypool.
This run starts at Brecon and turn around point is LLandetty, however you can make this run as long or short as you wish.