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Laramie River in Wyoming

River60.7 mi

Around here

Around Laramie River

Guernsey Reservoir12.8 mi10 mi

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

About this river

Laramie River is a 60.7 mile river. Streamflow is measured at the USGS gauge Laramie River near Fort Laramie, WY (site 06670500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1957 to 2026

Laramie River typically runs highest in May, at a median 119 cfs, and lowest in August, at 47 cfs. The highest flow on record for any single day is 5,810 cfs, in 1973.

Show the numbers
Typical flow by month at Laramie River near Fort Laramie, WY, in cfs
MonthTypical (cfs)Usual range (cfs)
January5238 to 95
February5641 to 114
March6844 to 120
April6953 to 146
May11944 to 244
June7744 to 229
July5142 to 97
August4738 to 63
September4939 to 63
October4739 to 62
November4842 to 82
December5040 to 94

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 69 years of record. Statistics published by the US Geological Survey for Laramie River near Fort Laramie, WY (site 06670500). 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 Laramie River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • Grayrocks Reservoir - WestGrayrocks ReservoirPublic
  • Grayrocks Reservoir - CentralGrayrocks ReservoirPublic
  • Grayrocks Reservoir - EastGrayrocks ReservoirPublic
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