■ Distance: 7 miles/11km ■ Time: 3 hours ■ Grade: Moderate

■ Distance: 9¼ miles/14.8km ■ Time: 4 hours ■ Grade: Moderate

■ Distance: 7¾ miles/12.6km ■ Time: 4½-6 hours ■ Grade: Moderate

■ Distance: 8½ miles/13.7km ■ Time: 5 hours ■ Grade: Challenging

■ Distance: 10 miles/16km ■ Time: 5 ...

Kerry Walker takes a road trip through Bannau Brycheiniog National Park