Located in Prince William County, Gainesville, Virginia has a humid subtropical climate, with hot summers and cool winters. The area is prone to occasional flooding due to its proximity to the Occoquan River and Broad Run. The hydrology constituents include the major streams of Broad Run, Bull Run, and the Occoquan River, which provide opportunities for fishing and kayaking. Outdoor recreation opportunities include visits to the 4,000-acre Bull Run Regional Park, hiking and biking on the 20-mile long Virginia Gateway Trail, and golfing at the Stonewall Golf Club. Additionally, the area is home to several wineries and breweries, offering a unique tasting experience for visitors.