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River MI

Thunder Bay River

Michigan • 45.0319, -83.9166
Length
76 mi
123 km
Elevation
933′ → 580′
352 ft drop
Stream Order
6
Large River
Slope
0.09%
4.6 ft/mi
Drainage
1,169 mi²
3,029 km²
Avg Flow
914 cfs
1.6 mph velocity
Path to Mouth
1,334 mi
2,146 km to ocean
Classification
Tributary
Mid-reach
Elevation Profile
Data from USGS & NOAA for informational purposes only. More
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Water Level Gauges on Thunder Bay River

There are 1 USGS water level monitoring stations on Thunder Bay River providing real-time flow and stage data.

Access Sites on Thunder Bay River

There are 2 boat ramps, launches, and public access points on Thunder Bay River.