An absolutely stunning 50 acre, income producing horse farm, with indoor riding facility just minutes from Philadelphia's Main Line. Welcome to 2400 Whitehorse Road, also called Stoney Knoll Farm. The largest horse farm you can find with the closest proximity to Philadelphia's Main Line. Enter through the stately gate and long, tree-lined driveway to a place that feels far away, yet is convenient to everything. Stoney Knoll Farm represents an outstanding opportunity to generate income while living the equestrian lifestyle, close to Chester County and right on the Main Line. This beautifully maintained 50-acre property features a stately stone main residence and two stone cottages as well as multiple barns, indoor and outdoor riding arenas, 20 acres of pastures, a scenic pond and stunning vistas everywhere you look. Enjoy peace, tranquility and the best of formal and informal living in the 9,134-sf classic stone manor home. Originally built in 1977 and expanded in 1989, it offers 5 bedrooms, each with en suite bath; two half baths; eight fireplaces and much more. Step into a welcoming foyer that runs the width of the home, with beautiful inlaid wood and tile floors, a wet bar and an overlooking balcony. The spacious traditional living room is full of light, with high ceilings and windows on three sides, and the dining room offers idyllic views of rolling hills, pond and horse pastures. Evoking a Currier & Ives print, it's the perfect setting for your holiday gatherings. A true butler's pantry, with generous storage closets, connects the dining room with a kitchen featuring two islands, a large wood-burning fireplace, a breakfast room and a greenhouse that also offers views of the property. This kitchen truly is the heart of the home. With another fireplace, the wood-paneled den offers a cozy retreat, and an adjacent office provides a quiet escape. The family room, part of the new wing, is the perfect gathering place to watch a movie or sporting event, with a fireplace, copper-topped bar, high ceilings and windows on both sides. At the end of the day, retire to a primary bedroom that features dual water closets, one with a shower. Other amenities include a sitting room with wood-burning fireplace and plenty of closet space. On summer days, enjoy the stunning view from the heated in-ground pool. A well appointed and super fun pool house with full kitchen, eating area, family room and laundry with full bath and changing area, serves as an indoor entertainment space for maximum convenience. There are two driveways for this property. One gated to the main house and one open that leads to the barns and riding rings. Just 10 minutes from the fabled Devon Horse show grounds, the property is ideally located for a serious equestrian business. It is currently a working, riding and training facility, with a 5,214-sf, 10-stall main barn; a new 14-stall barn; a 4-stall barn and cottage; a 3-stall barn; 13 stalls around the main barn, an additional stone cottage; an 80 ft x 200 ft outdoor riding arena with sprinkler system and a new 80 ft x 200 ft indoor riding arena - the only one of its kind in the area. The barns are well ventilated, with Dutch doors and windows in many stalls. Six large pastures offer plenty of space for turnout, and two feature run-in sheds. Both cottages, the main barn and the new barn are under lease and generating income. The farm is in a highly desirable location, just 10 minutes from the storied Devon Horse Show grounds, and a short trailer ride from the Horseshoe Trail at Valley Forge and the Radnor Hunt. Next to Episcopal Academy, close to Philadelphia, and an easy drive to New York. The sale includes 2 John Deere Tractors (5115 & 2520) , John Deere Gator, Cat Loader 277, all-terrain vehicle (ATV), a 62-foot Marklift reach, a hay wagon and additional equipment for the farm.