The coast path between the beautiful harbours of Fowey and Polperro is some of the most remote and dramatic in Cornwall .

■ Distance: 5 miles/8km ■ Time: 2½ hours ...

NEWCASTLE AND MARDU CIRCULAR Level Easy Elevation gain 217m Length 6.1km (1hr 49min) Description This round-the-hill loop trail from Newcastle leads through peaceful rural landscapes and small village

Distance: 7 miles/11.2km Time: 3½ hours Grade: Moderate

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

Kerry Walker takes a road trip through Bannau Brycheiniog National Park