River MI

South Branch Au Sable River

Michigan • 44.7019, -84.2350
Length
52 mi
83 km
Elevation
1,160′ → 1,034′
126 ft drop
Stream Order
4
Medium River
Slope
0.05%
2.4 ft/mi
Drainage
385 mi²
998 km²
Avg Flow
304 cfs
1.0 mph velocity
Path to Mouth
1,341 mi
2,158 km to ocean
Classification
Tributary
Mid-reach
Elevation Profile
Data from USGS & NOAA for informational purposes only. More

Water Level Gauges on South Branch Au Sable River

There are 1 USGS water level monitoring stations on South Branch Au Sable River providing real-time flow and stage data.

Access Sites on South Branch Au Sable River

There are 4 boat ramps, launches, and public access points on South Branch Au Sable River.