11 cambridgeshire orwell

■Distance: 4½ miles/7.1km ■ Time: 2½ hours ■ Grade: Easy

■Distance: 7 miles/11.5km ■Time: 4½ hours ■Grade: Moderate

■Distance: 5 miles/8km ■Time: 3 hours ■Grade: Moderate

This is the glacial valley no one’s heard of... Head to the South Pennines to explore both sides of this steep gulch between Burnley and Todmorden.

■Distance: 8 miles/12.8km ■ Time: 4 hours ■ Grade: Challenging

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