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Cisco Branch Ontonagon River in Michigan

River25.5 mi
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Around here

Around Cisco Branch Ontonagon River

Ottawa National Forest3.1 mi5 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

About this river

Cisco Branch Ontonagon River is a 25.5 mile river. Streamflow is measured at the USGS gauge Cisco Branch Ontonagon R at Cisco Lake Outlet, MI (site 04037500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1945 to 2026

Cisco Branch Ontonagon River typically runs highest in April, at a median 69 cfs, and lowest in August, at 7.8 cfs. The highest flow on record for any single day is 288 cfs, in 1951.

Show the numbers
Typical flow by month at Cisco Branch Ontonagon R at Cisco Lake Outlet, MI, in cfs
MonthTypical (cfs)Usual range (cfs)
January3727 to 49
February3324 to 45
March4028 to 59
April6936 to 106
May333.6 to 88
June272.8 to 66
July131.1 to 36
August7.80.9 to 30
September211.4 to 54
October5221 to 92
November5633 to 85
December4229 to 59

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 82 years of record. Statistics published by the US Geological Survey for Cisco Branch Ontonagon R at Cisco Lake Outlet, MI (site 04037500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

2 mapped launches sit in the mapped area of Cisco Branch Ontonagon River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • Beatons LakeBeatons LakePublic
  • Beatons LakeBeatons LakePublic

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