Elegant and upgraded custom colonial on 1.78 acres in Seneca Hunt, backing to trees!  Enter through the columns and covered porch into a soaring two-story marble foyer with dual curved staircases!  Spacious yet welcoming, this luxuriously decorated home offers four fireplaces, multiple built-ins, and hardwood floors on most of the main level and the upper landing.  Entertain in the gourmet country kitchen with ceramic tile floors, granite countertops, and a center island with breakfast bar!  The wood-trimmed home office, the bright family room, and the octagonal sunroom offer terrific light through multiple rear windows overlooking the back yard and woods behind the home.  The upper-level Owners' Suite boasts a sitting room with two-sided fireplace, walk-in closets with organizers, and a sumptuous deluxe bathroom with jetted tub!  The fully finished basement with high ceilings provides a rec room and game room with new laminate flooring, a rear 5th BR and full bathroom, a walk-behind bar/kitchenette with new LVP flooring, a TV room, and a craft/hobby/classroom, plus level walk-out to a screened patio under the deck!  New roof installed in 2019, new dishwasher in 2020, one of the HVAC systems replaced in 2011!  Tech upgrades include ceiling mounted speakers, security system, inground irrigation system, 2-zone HVAC, and retractable rear awning on the large deck.  Great Falls is the most desirable address in Northern Virginia, an exclusive residential hideaway of estate homes, nestled among the trees and close to Great Falls National Park and the Potomac River. Great Falls is known for the best of the best; including attending the award-winning Langley High School, dining at the five-star L'Auberge Chez Francois, and enjoying world-class music and entertainment at nearby Wolf Trap. Great Falls residents have easy access to Tysons Corner, McLean, Reston Town Center, Dulles Airport, and the 495/Capital Beltway. Just a short drive downtown to reach the cultural, business, and political landmarks of Washington DC, and a short drive to the west for the vineyards, horse farms, and rapidly growing technology companies of Loudoun County.  Offers due by Tuesday, March 7 @ 5 pm.