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
Prawle Point and Start Point Site of Special Scientific Interest East Prawle, West Weare (Portland, Dorset), and Thursley Common (Surrey). Prawle is also an important site for the Cirl bunting, and supports a rich lichen assemblage. Prawle Point and Start Point Site of Special Scientific Interest The Prawle Point and Start Point Site of Special Scientific Interest ( to ) is a 341.2 hectare biological and geological Site of Special Scientific Interest in southern Devon, notified in 1976. It includes the coastal headlands of Prawle Point and Start Point. The soft cliffs between Prawle Point and Start Point are recognised as being one of the most important sites for solitary