21 powys breidden hills

Roger Butler peers over steep slopes on a roller coaster along Offa’s Dyke

■ Distance: 11½ miles/18.2km ■ Time: 7 hours ■ Grade: Challenging

Andrew Galloway walks a linear route that’s a microcosm of Wales’ best bits

■ Distance: 8¾ miles/14.2km ■ Time: 4 hours ■ Grade: Moderate

TINTERN ABBEY AND DEVIL’S PULPIT CIRCULAR Level Moderate Elevation gain 328m Length 8.2km (2hr 35min) Description A loop that includes Tintern Abbey and a climb to Devil’s Pulpit for spectacular views

You don’t need all day to have a big adventure, as this Holy Mountain proves.