Stuart Mill Bay Fishing Access Site is a 356-acre day-use and camping facility on Georgetown Lake's southeast shore, located 13 miles west of Anaconda.

The site features primitive campsites, vault toilets, a gravel boat ramp, and parking areas; camping is available May through October with a 7-day maximum stay and 30-foot trailer length limit.

Day-use parking is also available year-round for ice fishing during winter months.