River ID

Middle Fork Boise River

Idaho • 43.8274, -115.1219

Length

52 mi

84 km

Elevation

8,580′ → 3,478′

5,102 ft drop

Stream Order

6

Large River

Slope

1.85%

97.4 ft/mi

Drainage

378 mi²

978 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

874 mi

1,407 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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