[3] The river is also famous locally for its trout fishing in the spring.

The river rises from James Pond in Exeter.

From there, it flows roughly due south through Exeter and Richmond to its mouth at the Pawcatuck River, across the Pawcatuck from Charlestown.

Below is a list of all crossings over the Beaver River.

The Beaver River has no named tributaries, though it has many unnamed streams that also feed it.