River CO

South Fork South Platte River

Colorado • 39.0691, -106.1052

Reviewed mapped path Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

45 mi

73 km

Elevation

11,756′ → 8,775′

2,981 ft drop

Stream Order

Large River

Slope

1.25%

66.0 ft/mi

Drainage

423 mi²

1,094 km²

Avg Flow

-- cfs

1.8 mph velocity

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