Triangle is an unincorporated community (pop 5,500) in Prince William County in Northern Virginia.
Triangle is between Dumfries, to the north and west, and Quantico, and the Quantico Marine Corps Base, to the south.
- Prince William Forest Park is to the west.
- The Potomac River is to the east.
- Comfort Inn (Comfort Inn Quantico/Dumfries), 16931 Old Stage Road Dumfries, VA 22026, ☎ (703) 445-8070, . To the Comfort Inn Hotel Quantico/Dumfries located near Quantico Marine Corps Base. The hotel is centrally located between Washington, D.C. and Fredericksburg. This Comfort Inn Dumfries hotel is minutes from the Potomac Mills outlet mall, Marine Corps Base Quantico, the National Museum of the Marine Corps, the FBI Academy training facility and the Quantico National Cemetery. edit
- Ramada Triangle (Ramada Triangle/Quantico), 4316 Inn Street, Triangle, VA 22172, ☎ +1 703-221-1181, . edit