Porlock Hill
Category 24.1 km
Distance
380 m
Elevation Gain
9.3%
Average Gradient
25%
Max Gradient
Legendary among British cyclists and notorious enough to have earned a place in cycling folklore. Porlock Hill on the Devon-Somerset border is one of the steepest public roads in England: the main A39 route averages 9.3% for 4.1km with the central section hitting a verified 25% gradient — one of the...
Pro Tip
Descending Porlock Hill by road requires extreme caution — the 25% central section demands both brakes applied fully with an early approach to the hairpin. Many experienced riders choose the toll road...
Part of
Cycling in Devon & Dartmoor