The river arises in wetlands in Carver, meanders generally south through swampy birch and maple forests in Middleborough and Rochester, and drains into a Buzzards Bay estuary in Wareham near the mouth of the Sippican River.
A watercourse begins in wetland regions in Carver, winds its way generally south through marshy forests dominated by birch and maple trees in Middleborough and Rochester, and ultimately flows into a Buzzards Bay estuary in Wareham close to the mouth of the Sippican River.