Welcome to 20 Glengyle Lane - a 3-bedroom, 3.5-bath 1-car garage Colonial with over 2,000 SF of room to roam across 3 finished levels! Perfectly situated at the end of a quiet cul-de-sac in beloved Countryside, the crown jewel of this adorable Victorian home is it's idyllic, private lot backing to ample green space and canopy of trees. Step onto the charming front porch or unwind on the Trex deck and stone patio overlooking a fully fenced backyard - perfect for entertaining or quiet evenings alike. Inside, the eat-in kitchen shines with granite countertops, SS appliances, and a breakfast bar and flows seamlessly into the vaulted-ceiling dining room through to the spacious living room, anchored by a cozy wood-burning fireplace. Upstairs, the primary suite offers a private en-suite bath, while two additional generously sized bedrooms share a ceramic tile hall bath. The fully finished lower level adds even more flexibility with a large recreation room ideal for media nights or play space, a versatile den perfect for guests or a home office, and a full bath with a double shower. Countryside residents enjoy ample community amenities including multiple pools, tennis and basketball courts, tot lots, walking and fitness trails, a catch-and-release pond, and nearly 10 miles of trails through the scenic Horsepen Run Nature Preserve. Just minutes away, Algonkian Regional Park adds golf, boating, Potomac River access, nature watching, and Volcano Island Waterpark to the mix. With top-rated schools, shopping & dining spots, and major commuter routes all minutes away, 20 Glengyle offers the rare combination of convenience, comfort and functionality, in a verdant storybook setting.