River SD NE

Niobrara River

South Dakota • 42.7131, -101.2683

Length

370 mi

596 km

Elevation

5,353′ → 1,221′

4,131 ft drop

Stream Order

7

Large River

Slope

0.21%

11.2 ft/mi

Drainage

8,492 mi²

21,995 km²

Avg Flow

-- cfs

1.8 mph velocity

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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