Au Sable River access points and trip distances, Michigan
23 access points (23 public) along 112.2 river miles of the Au Sable River in Michigan. Distances are measured along the river on the NHDPlus V2 main-stem flowline, not straight-line. River mile 0 is the farthest-upstream access listed here.
Find a trip by length
Time estimates use the speed above; 2 mph is a typical relaxed recreational pace with light current. Set your own.
Map
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Dark dots are public access points; brown dots are private, members-only or agency-land access. Tap a dot for its river mile and coordinates.
Data notes: 1 access point is more than 0.1 mi from the mapped line; its river mile is where it meets the line.
Sources: river line and lengths from NHDPlus V2 via EPA WATERS (lengths scaled to each reach's published length); access points from Michigan DNR Boating Access Sites, OpenStreetMap contributors (ODbL). Only access points in our launch data are shown, so there may be others. Check access, dams and conditions before you go.