Stillwater River (Rhode Island)

The Stillwater River is a river in the U.S. state of Rhode Island. It flows approximately 6.1 mi. There are four dams along the river's length.

Course
The river is formed by the confluence of Cutler Brook with an unnamed stream, west of the village of Harmony. The river flows in a southeasterly direction to Waterman Lake, then east past the village of Greenville. From there, the river flows in a northerly direction to Stillwater Reservoir where it meets the Woonasquatucket River.

Crossings
Below is a list of all crossings over the Stillwater River. The list starts at the headwaters and goes downstream.
 * Glocester
 * Sawmill Road
 * Smithfield
 * West Greenville Road
 * Putnam Pike (U.S. 44)
 * Austin Avenue
 * Deerfield Drive
 * Pleasant View Avenue (RI 5/116)

Tributaries
In addition to many unnamed tributaries, the following brooks feed the Stillwater:
 * Cutler Brook
 * Nine Foot Brook
 * Reaper Brook
 * Sprague Brook