An exceptional 4,108 sq ft custom-built retreat set on 20.72 acres in the heart of beautiful Cameron, Montana. This unique property offers an oasis of comfort, privacy, and style, with sweeping views of the Madison Range and just minutes from the legendary Madison River and abundant public lands. Thoughtfully designed for both everyday living and memorable entertaining, the main home blends Montana charm with modern amenities. Large windows throughout frame the breathtaking mountain vistas, while the open-concept living area features vaulted ceilings, a cozy fireplace, and a seamless flow into the kitchen and dining spaces. The kitchen is a chef’s dream, with high-end appliances, custom cabinetry, and ample room for gathering with friends and family. The spacious finished basement adds versatile living space with egress windows and a walk-out door, making it ideal for a workout area, bunkroom, game room, or additional entertaining area, perfect for hosting large groups or creating a cozy retreat for guests. A separate guest house provides even more flexibility, offering its own kitchenette and living area for visitors, extended family, or rental potential. The oversized two-car garage has plenty of room for recreational gear and equipment, supporting your Montana adventures year-round. Outdoors, the property continues to impress with a large greenhouse, beautifully maintained landscaping, and a paved driveway that adds both convenience and a touch of polish to your rural lifestyle. Whether you're relaxing on the porch with a glass of wine, hosting under the big sky, or casting a fly rod into the nearby Madison River, 115 Holding Pen Road offers an unparalleled setting to embrace the Montana way of life. With its combination of space, comfort, and location, this is a rare opportunity to own a truly special property in the Madison Valley.