River Otter, Devon River Otter, Devon The River Otter rises in the Blackdown Hills just inside the county of Somerset, England near Otterford, then flows south for some 32 km through East Devon to the English Channel at the western end of Lyme Bay, part of the Jurassic Coast, a UNESCO World Heritage Site. The Permian and Triassic sandstone aquifer in the Otter Valley is one of Devon's largest groundwater sources, supplying drinking water to 200,000 people. The river's source is north of Otterford, where a stream feeds the Otterhead Lakes: and then through Churchstanton before entering Devon. The river flows through a
East Devon East Devon East Devon is a local government district in Devon, England. Its council is based in Sidmouth, and the largest town is Exmouth. The district was formed on 1 April 1974 by the merger of the borough of Honiton with the urban districts of Budleigh Salterton, Exmouth, Ottery St. Mary, Seaton, Sidmouth along with Axminster Rural District, Honiton Rural District and part of St Thomas Rural District. East Devon is covered by two Parliamentary constituencies, East Devon and Tiverton and Honiton. Both were retained in the 2010 general election by the Conservative Party. In the 2001 census it was