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Oregon Paddle Sports

Long Tom River near Eugene, OR

River54.9 mi
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Around here

Around Long Tom River

Alsea Falls Recreation Site (Campgro…9.7 miWilliam L. Finley National Wildlife…4.6 mi5 mi

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

About this river

Long Tom River is a 54.9 mile river near Oregon Paddle Sports in Oregon. Streamflow is measured at the USGS gauge Long Tom River at Monroe, OR (site 14170000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1922 to 2026

Long Tom River typically runs highest in January, at a median 1,470 cfs, and lowest in August, at 38 cfs. The highest flow on record for any single day is 16,400 cfs, in 1943.

Show the numbers
Typical flow by month at Long Tom River at Monroe, OR, in cfs
MonthTypical (cfs)Usual range (cfs)
January1,470645 to 3,200
February852312 to 2,310
March490237 to 1,280
April260160 to 625
May17095 to 306
June7254 to 96
July4032 to 51
August3829 to 47
September4532 to 62
October74559 to 946
November534156 to 1,025
December915359 to 2,440

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 104 years of record. Statistics published by the US Geological Survey for Long Tom River at Monroe, OR (site 14170000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

5 mapped launches sit in the mapped area of Long Tom River. Ramp data comes from the USGS national boat-ramp inventory.

  • Perkins Peninsula ParkCoyote Creek - Fern Ridge LakePublic
  • Fern Ridge Shores RV ParkCoyote Creek - Fern Ridge LakeRestricted
  • Orchard Point ParkCoyote Creek - Fern Ridge LakePublic
  • Eugene Yacht ClubCoyote Creek - Fern Ridge LakeRestricted
  • Richardson ParkCoyote Creek - Fern Ridge LakePublic

Made to print

Put Long Tom 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 Long Tom 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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