north-branch
North Branch is a stretch on Au Sable River, Michigan.
Also called North Branch Au Sable.
It is fishable.
Joins a few miles below the South Branch. Artificial-flies-only from Sheep Ranch to the confluence (oldausable).
Sourced from 3 sites.
Sources: diyflyfishing.com, Fly Anglers Online and oldausable.com.
Access, closures and rules change; check with the state agency before you go.