6 20.6km / 12.8 miles / 7-7.5 hours Ascent 1122m/3680ft

Our journey to the highest points of each national park begins on Dartmoor, with a chance to ponder what standing atop a high point really means.

4 38.9km / 24.2 miles / 12-14 hours Ascent 2927m/9603ft

Jim Perrin revisits an old haunt to reveal the real high point of the ‘White Barrier’ via Wales’ highest waterfall, a pair of ponies, pubs and ring ouzels thrown in for good measure

Ben Macdui 4295ft/1309m

The Wicklow Mountains are where I first fell in love with the outdoors. When I was six, my dad decided it would be a brilliant idea for our family of three to spend two weeks walking along the Irish c