River MT WY

Gibbon River

Montana • 44.6408, -110.8611

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

35 mi

56 km

Elevation

8,610′ → 6,798′

1,812 ft drop

Stream Order

Medium River

Slope

0.99%

52.1 ft/mi

Drainage

119 mi²

307 km²

Avg Flow

136 cfs

1.3 mph velocity

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar