River OK

Flag Branch

Oklahoma • 34.3810, -97.4602

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

6 mi

10 km

Elevation

1,074′ → 881′

193 ft drop

Stream Order

Stream

Slope

0.59%

30.9 ft/mi

Drainage

7 mi²

18 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

688 mi

1,107 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