Creek ID

Union Flat Creek

Idaho • 46.5648, -117.1183

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

72 mi

115 km

Elevation

2,803′ → 1,156′

1,647 ft drop

Stream Order

Medium River

Slope

0.43%

23.0 ft/mi

Drainage

2,265 mi²

5,868 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

484 mi

780 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Loading the interactive map…

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

Rain Radar