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Mores Creek in Idaho

River35.2 mi
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Around here

Around Mores Creek

Grayback Campground and Group sites…1.4 miGrayback · 1.4 mi5 mi

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

About this river

Mores Creek is a 35.2 mile river. Streamflow is measured at the USGS gauge Mores Creek above Robie Creek near Arrowrock Dam ID (site 13200000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1951 to 2026

Mores Creek typically runs highest in April, at a median 743 cfs, and lowest in August, at 31 cfs. The highest flow on record for any single day is 4,520 cfs, in 1965.

Show the numbers
Typical flow by month at Mores Creek above Robie Creek near Arrowrock Dam ID, in cfs
MonthTypical (cfs)Usual range (cfs)
January9874 to 152
February14197 to 226
March311220 to 563
April743382 to 1,220
May648409 to 1,010
June338184 to 544
July7742 to 125
August3118 to 49
September3221 to 45
October5138 to 68
November7457 to 96
December8363 to 120

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 76 years of record. Statistics published by the US Geological Survey for Mores Creek above Robie Creek near Arrowrock Dam ID (site 13200000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

4 mapped launches sit in the mapped area of Mores Creek, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

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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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