River ND

South Branch Heart River

North Dakota • 46.7879, -103.1609

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

35 mi

57 km

Elevation

2,747′ → 2,463′

284 ft drop

Stream Order

Medium River

Slope

0.15%

8.0 ft/mi

Drainage

133 mi²

345 km²

Avg Flow

-- cfs

1.1 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