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

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

For a walk which visits quiet hills and explores post-industrial dereliction, Eryri ’s Moelwyns are second to none.

■ Distance: 5¾ miles/9.2km ■ Time: 3 hours ■ Grade: Moderate

Jim Perrin revisits a minor but notable hill of the Rhinogydd, in the fine company of campaigning photographer Fay Godwin and archaeologist Peter Crew

■ Distance: 10 miles/16km ■ Time: 6 ...