Devon of much of Devon's countryside and coastline as the Dartmoor and Exmoor national parks, and the Jurassic Coast and Cornwall and West Devon Mining Landscape World Heritage Sites. In 2004 the county's tourist revenue was £1.2 billion. More successful visitor attractions are particularly concentrated on food and drink, the South West Coast Path and watersports, including sea-view restaurants in North-West Devon (such as one example belonging to Damien Hurst); surfing there, indoor and outdoor folk music festivals across the county and sailing in the hill-surrounded inlet (ria) at Salcombe. Incomes vary significantly and the average is bolstered by a high
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