East of Summerhaven in southwestern Maine, the Summerhaven Loop is a 6 mile trail open to off-road motorcycle and mountain bikes.
To reach the trailhead from North Augusta, take SR8/SR11/SR27 north to Summerhaven Road. Go west on Summerhaven Road. The trailhead is just west of Summerhaven.
Overall, Summerhaven ATV - Dirt Biking Loop is the 3rd most popular dirt bike trail of all 15 dirt biking rides in Maine.