Gauge Information

Name Range Difficulty Updated Level
ONTONAGON RIVER NEAR ROCKLAND, MI
usgs-04040000 500 - 5000 cfs I(II) 01h42m 2080 cfs (running)
gauge class Likely good boatable flows. (We need your comments and reports to refine description and recommended flows.)
Cited gauge (1,340 sq.mi. drainage) is right at the put-in for this reach, therefore should very accurately represent flows in this reach.
gauge graph
RangeWater LevelDifficultyComment
0 - 300 cfs extremely Low-somewhat Low I(II) gauge is important or has warning Likely too low in areas of gradient. May be paddled as flatwater trip, dragging through shoals.
300 - 500 cfs somewhat Low-barely Low I(II) gauge is important or has warning May be paddled as flatwater, but likely ELF (Extreme Low Flow) for gradient. (We need your comments and reports to refine recommended flows.)
500 -5000 cfs barely runnable-high runnable I(II) gauge is important or has warning Likely good boatable flows. (We need your comments and reports to refine description and recommended flows.)
5000 -25000 cfs somewhat High-somewhat High I(II) gauge is important or has warning Unusually high flow. (We need your comments and reports to refine descriptions and recommended flows.)
25000 -50000 cfs somewhat High-extremely High I(II) gauge is important or has warning (Near) Record high flows. Utmost caution is urged.

Join AW and support river stewardship nationwide!