Devon East Devon has the first seaside resort to be developed in the county, Exmouth and the more upmarket Georgian town of Sidmouth, headquarters of the East Devon District Council. Exmouth marks the western end of the Jurassic Coast World Heritage Site. Another notable feature is the coastal railway line between Newton Abbot and the Exe Estuary: the red sandstone cliffs and sea views are very dramatic and in the resorts railway line and beaches are very near. North Devon is very rural with few major towns except Barnstaple, Great Torrington, Bideford and Ilfracombe. Devon's Exmoor coast has the highest cliffs
Geology of Dorset far east. Jurassic rocks also underlie the Blackmore Vale and comprise much of the coastal cliff in the west and south of the county; and although younger Cretaceous rocks crown some of the highpoints in the west, they are mainly to be found in the centre and east of the county. Dorset's coastline is one of the most visited and studied coastlines in the world because it shows, along the course of (including some of east Devon), rocks from the beginning of Triassic, through the Jurassic and up to the end of the Cretaceous, documenting the entire Mesozoic era with