State Route 124 (SR 124) is part of Maine's system of numbered state highways, located in Androscoggin and Oxford counties.

It runs from Mechanic Falls, passing through the towns of Minot and Hebron, and ends at Buckfield.

The route is 12.34 miles (19.86 km) long.

The route heads north towards SR 119 at Minot where it shares a 170-foot-long (52 m) concurrency.

It then goes to Buckfield, where the route ends at SR 117.