River MT

South Fork West Fork Gallatin River

Montana • 45.2462, -111.4229

Length

15 mi

23 km

Elevation

9,487′ → 6,045′

3,442 ft drop

Stream Order

4

Medium River

Slope

4.48%

236.4 ft/mi

Drainage

46 mi²

120 km²

Avg Flow

62 cfs

1.1 mph velocity

Path to Mouth

3,578 mi

5,757 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

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

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More