The South Branch Grass River flows into the Grass River in Clare, New York.

The South Branch Grass River and Middle Branch Grass River combine here and become Grass River.

[1] Right Jocks Pond Outlet Mink Brook Dead Creek Irish Brook Twin Ponds Outlet Second Brook First Brook Allen Pond Outlet Allen Brook Randall Brook Colton Creek Left Burntbridge Outlet Roaring Brook Silver Brook Cook Pond Outlet Moosehead Pond Outlet Bend Brook Steep Bank Brook

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