Twin Lakes Recreation Area offers a two-lane boat ramp with courtesy dock and fishing pier for access to Seneca River/Hartwell Lake, open year-round for boat launching.

Day-use amenities include restrooms, drinking water, picnic areas with reservable shelters, two designated swim beaches, and a playground, with a $4 per vehicle day-use fee. The park is open May 1 - September 9 from 6 a. m. to 10 p. m.

, though the boat ramp operates year-round with extended hours for active fishing and launching.