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Yellowstone Raft Company

Yellowstone River in Wyoming

River62.1 mi
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Around here

Around Yellowstone River

Grant Visitor Center11.8 miWest Thumb Information Station12.3 mi20 mi

Before you go

Data Source: Recreation.gov · Source: USGS GNIS · Thermal springs: NOAA NCEI (1980) · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)

About this river

Yellowstone River is a 62.1 mile river near Yellowstone Raft Company in Montana. Streamflow is measured at the USGS gauge Yellowstone River at Yellowstone Lk Outlet YNP (site 06186500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1927 to 2026

Yellowstone River typically runs highest in July, at a median 3,890 cfs, and lowest in January, at 375 cfs. The highest flow on record for any single day is 9,930 cfs, in 1997.

Show the numbers
Typical flow by month at Yellowstone River at Yellowstone Lk Outlet YNP, in cfs
MonthTypical (cfs)Usual range (cfs)
January375280 to 500
February385300 to 497
March450373 to 550
April524458 to 609
May976745 to 1,330
June3,7202,930 to 4,590
July3,8902,960 to 5,140
August2,0001,530 to 2,600
September1,100892 to 1,390
October729625 to 929
November597464 to 696
December463350 to 540

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 96 years of record. Statistics published by the US Geological Survey for Yellowstone River at Yellowstone Lk Outlet YNP (site 06186500). 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 Yellowstone River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • Highway 89 BridgeYellowstone RiverPublic
  • Sheep MountainYellowstone RiverPublic

Made to print

Put Yellowstone River on your wall

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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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Yellowstone River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.

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