It flows approximately 7.6 miles (12.2 km)[1] and is the only named tributary of the Moshassuck River.
It has a history of providing water to textile mills during the Industrial Revolution as evidenced by the 7 dams along the river's length.
[2] The West River rises on the town line between Lincoln and Smithfield from a few small streams that originate in the vicinity of Lantern Road.
Below the reservoir, the river meanders east-southeast through North Providence and into Providence where it flows into the Moshassuck River north of downtown.
Angell Brook is the West River's only named tributary, though it has many unnamed streams that also feed it.