River CO

East Fork King Arroyo

Colorado • 37.9225, -103.4524

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

7 mi

12 km

Elevation

4,461′ → 4,150′

310 ft drop

Stream Order

Medium River

Slope

0.80%

42.0 ft/mi

Drainage

14 mi²

35 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,134 mi

1,825 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