mio-dam

Mio Dam is a feature on Au Sable River, Michigan.

Also called Dam at Mio.

It is fishable.

Backwater is Mio Pond. Start of the stretch holding trophy-size trout (oldausable); Trophy Water begins below Mio Pond (outdoorhub).

It is upstream of Perry Creek.

Sourced from 5 sites.

Sources: diyflyfishing.com, Fly Anglers Online, MidCurrent, oldausable.com and The Perfect Fly Store (retrieved 2026-10-20).

Access, closures and rules change; check with the state agency before you go.