Ontonagon, S.Br. - Hwy.28 (in Ewen) to W Br Ontonagon (26.5 miles) (MI)
Approximate - nearest available gauge. Use as general reference only.
A very narrow channel splits off to the left as the river encounters an interesting series of islands. Amidst these islands, from river-left, the West Branch Ontonagon enters (a half-mile downstream from marked point).