Creek SD

Long Hollow Creek

South Dakota • 43.1229, -103.5157

Reviewed mapped path Updated Feb 1, 2026

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

16 mi

26 km

Elevation

3,711′ → 3,408′

303 ft drop

Stream Order

Large River

Slope

0.35%

18.6 ft/mi

Drainage

34 mi²

87 km²

Avg Flow

-- cfs

1.4 mph velocity

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Detailed hydrology

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Data from USGS & NOAA for informational purposes only. Read source and safety notes