The River Culm is a river located in the county of Devon, England. It flows for approximately 20 miles, starting near the village of Culmstock and eventually joining the River Exe. The river is known for its scenic beauty and is surrounded by lush countryside, making it a popular spot for walking and nature observation. The River Culm is part of the Exe River Basin, which supports a variety of wildlife and habitats. It plays a crucial role in the local ecosystem and contributes to the agricultural landscape of the region. The river also has historical significance, with several ancient bridges and settlements along its banks.