Topsham is a town in the Exeter district, in Devon, England, located on the east side of the River Exe, immediately north of its confluence with the River Clyst and the former's estuary, between Exete

The River Clyst is a river of Devon, England. The name derives from Old English, and translates as Clean-stream. The river lends its name to several settlements on its route, Clyst Honiton, Clyst St L