River MT ID

Secesh River

Montana • 45.1735, -115.8062

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

29 mi

47 km

Elevation

6,023′ → 3,642′

2,381 ft drop

Stream Order

Medium River

Slope

1.56%

82.4 ft/mi

Drainage

244 mi²

632 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

709 mi

1,141 km to ocean

Classification

Tributary

Mid-reach

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

Access Sites on Secesh River

There are 4 boat ramps, launches, and public access points on Secesh River.