Creek ID

Big Boulder Creek

Idaho • 42.8456, -116.8279

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

8 mi

13 km

Elevation

4,731′ → 4,574′

157 ft drop

Stream Order

Medium River

Slope

0.38%

20.0 ft/mi

Drainage

288 mi²

746 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

929 mi

1,494 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

Rain Radar