Perfectly positioned at Keystone's River Run Village, this stunning 4-bedroom, 4.5-bathroom luxury mountain modern townhome backs directly to the Snake River and protected wetlands, offering south-facing panoramic views of Keystone's ski slopes from every level. With a 2.5-minute walk to the gondola and just 1 minute to the heart of the village. Designed for effortless mountain living with luxury finishes, this home features a private elevator serving all three floors, concrete floors with in-floor radiant heat, and air conditioning, blending modern conveniences with mountain design. The main floor living area crowns the top of the home with vaulted ceilings, filling the space with natural light and framing breathtaking views of the slopes and wetlands beyond. Step outside to the rooftop deck for truly unobstructed panoramic vistas of Keystone's ski terrain, a spectacular sight in every season. Each of the four bedrooms offers its own ensuite bathroom, while three of the four open to private outdoor living spaces. The primary suite on the second floor enjoys sweeping southern views of the ski slopes and a spa-like bathroom complete with a steam shower. Keystone and Summit County offer endless summertime outdoor activities: world-class hiking, mountain biking, and fly fishing await across the surrounding mountains and valleys. Five championship golf courses, including Jack Nicklaus and Robert Trent Jones Jr. designed courses at Keystone, round out the options on land, while Lake Dillon's open waters invite sailing, paddleboarding, fishing, and camping against one of Colorado's most scenic backdrops. A rare bonus: this property carries no Keystone Neighbourhood Company Transfer Tax and no annual KNC dues, delivering exceptional value alongside the mountain lifestyle this property offers. STR rentals are permitted, offering flexibility as a primary residence, retreat, or investment.