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Cannonball River in North Dakota

River62.1 mi

Around here

Around Cannonball River

Heart Butte Reservoir17.4 mi20 mi

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

About this river

Cannonball River is a 62.1 mile river. Streamflow is measured at the USGS gauge Cannonball River at Breien, ND (site 06354000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1934 to 2026

Cannonball River typically runs highest in April, at a median 185 cfs, and lowest in January, at 8.9 cfs. The highest flow on record for any single day is 63,100 cfs, in 1950.

Show the numbers
Typical flow by month at Cannonball River at Breien, ND, in cfs
MonthTypical (cfs)Usual range (cfs)
January8.91.6 to 20
February100.8 to 35
March12030 to 656
April18576 to 566
May10342 to 322
June13746 to 353
July7225 to 174
August296.9 to 72
September163.1 to 39
October155.5 to 43
November2311 to 45
December146.0 to 28

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 91 years of record. Statistics published by the US Geological Survey for Cannonball River at Breien, ND (site 06354000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

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

  • Froelich DamFroelich DamPublic
  • Sheep Creek DamSheep Creek DamPublic
  • Raleigh ReservoirRaleigh ReservoirPublic
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