06 west sussex chidham peninsula

■Distance: 6¾ miles/10.8km ■Time: 3-3½ hours ■Grade: Moderate

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

■Distance: 8¼ miles/13.3km ■ Time: 4 hours ■ Grade: Moderate

■Distance: 6¼ miles/10km ■Time: 4 hours ■Grade: Moderate

■Distance: 5¼ miles/8.4km ■Time: 3 hours ■Grade: Easy

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.