River MI WI

South Branch Ontonagon River

Michigan • 46.5704, -89.2990

Length

33 mi

54 km

Elevation

1,152′ → 953′

199 ft drop

Stream Order

6

Large River

Slope

0.11%

6.0 ft/mi

Drainage

540 mi²

1,398 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

591 mi

951 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

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