Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Ontonagon River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Ontonagon River, the highest being situated at an altitude of ft, the .
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Ontonagon River Near Rockland
USGS 04040000 |
1100 cfs | 6.24 ft | 80.62 |
The Ontonagon River ( ON-tə-NAH-gən) is a river flowing to Lake Superior on the western Upper Peninsula of Michigan in the United States. The main stem of the river is 25 miles (40 km) long and is formed by a confluence of several longer branches, portions of which have been collectively designated as a National Wild and Scenic River. Several waterfalls occur on the river including Agate Falls and Bond Falls.