What is the steepest hill to drive up in the UK?
What is the steepest hill to drive up in the UK? It features narrow parts and two 180 degree switch backs. At 25%, Porlock Hill is reputably the steepest A road in England. It's located west of the village of Porlock in Somerset. It climbs approximately 1,300 ft (400 m) in less than 2 miles (3.2 km) up onto Exmoor.
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