Postbridge is a hamlet in the heart of Dartmoor in the English county of Devon. It lies on the B3212, roughly midway between Princetown and Moretonhampstead. Postbridge is on the East Dart river, one of two main tributaries of the River Dart, and consists of a few houses, a shop, a pub and hotel, and a national park tourist information centre. Postbridge is best known for its fine example of an ancient clapper bridge over the river.