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Bear River in Idaho

River62.1 mi
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Around here

Around Bear River

Cokeville Meadows National Wildlife…6.8 miFossil Butte National Monument12.7 mi20 mi

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

About this river

Bear River is a 62.1 mile river. Streamflow is measured at the USGS gauge Bear River at Border, WY (site 10039500). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1938 to 2026

Bear River typically runs highest in June, at a median 862 cfs, and lowest in September, at 126 cfs. The highest flow on record for any single day is 4,840 cfs, in 1983.

Show the numbers
Typical flow by month at Bear River at Border, WY, in cfs
MonthTypical (cfs)Usual range (cfs)
January150120 to 198
February160127 to 218
March251177 to 371
April449247 to 905
May705326 to 1,480
June862380 to 1,655
July385228 to 631
August161116 to 255
September12689 to 207
October163113 to 215
November181144 to 244
December160129 to 212

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 88 years of record. Statistics published by the US Geological Survey for Bear River at Border, WY (site 10039500). 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 Bear River. Ramp data comes from the USGS national boat-ramp inventory.

  • Woodruff Narrows ReservoirWoodruff Narrows ReservoirPublic
  • East Shore MarinaBear LakeRestricted
  • North BeachBear LakePublic

Made to print

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This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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