Lake Fairfax / Colt's Neck - Lake Fairfax Park
Easily accessible from Reston, Lake Fairfax Park sees large crowds every summer weekend destined for the water park, the large picnic area, canoeing on the lake, camping, etc.
Mountain bikers have several miles of wooded single track trails at the southern end of the park in addition to the Colt's Neck loop, which passes through Lake Fairfax Park and continues on to the Fairfax CCT and W&OD trails to make a 9 1/2 mile loop.