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Big Rib River in Wisconsin

River52.3 mi
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Around here

Around Big Rib River

Rib Mountain1.7 miMosinee Hill4.6 mi10 mi

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Source: USGS GNIS · 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

Big Rib River is a 52.3 mile river. Streamflow is measured at the USGS gauge Big Rib River at Rib Falls, WI (site 05396000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1925 to 2026

Big Rib River typically runs highest in April, at a median 572 cfs, and lowest in February, at 43 cfs. The highest flow on record for any single day is 15,700 cfs, in 1938.

Show the numbers
Typical flow by month at Big Rib River at Rib Falls, WI, in cfs
MonthTypical (cfs)Usual range (cfs)
January4930 to 73
February4329 to 60
March13256 to 859
April572320 to 1,160
May190112 to 420
June14164 to 360
July6135 to 154
August4727 to 99
September5129 to 114
October7339 to 185
November10956 to 220
December5536 to 86

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 49 years of record. Statistics published by the US Geological Survey for Big Rib River at Rib Falls, WI (site 05396000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

7 mapped launches sit in the mapped area of Big Rib River. Ramp data comes from the USGS national boat-ramp inventory.

  • Big Rib RiverBig Rib RiverPublic
  • Riverside ParkWisconsin RiverPublic
  • Otts ParkWisconsin RiverPublic
  • Alexander LakeAlexander LakeRestricted
  • Council Grounds State ParkAlexander LakePublic
  • Pesobic LakePesobic LakePublic
  • Alexander Lake 2Wisconsin RiverPublic

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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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