The South Devon Railway sea wall is situated on the south coast of Devon in England. A footpath runs alongside the railway between Dawlish Warren and Dawlish, then another footpath forms a continuation to the sea front promenade at Teignmouth. Both of these form part of the South West Coast Path.

Devon is a ceremonial county in South West England. It is bordered by the Bristol Channel to the north, Somerset and Dorset to the east, the English Channel to the south, and Cornwall to the west. The city of Plymouth is the largest settlement, and the city of Exeter is the county town.