The Lost Horizon Ranch is a 386-acre property in Montana’s scenic Lost Prairie Valley, located at 9701 Provence Lane in Marion, about 35 miles west of Kalispell. Offered for sale, the ranch combines approximately 60,000 square feet of academic, residential, and equestrian facilities in a private setting of rolling hills, open meadows, and waterside views. Its main campus includes a lodge, schoolhouse, library, administrative offices, shop, gymnasium, boys’ and girls’ dormitories, and a fenced riding arena.

Additional accommodation includes cabins, cottages, staff housing, and a four-bedroom residence; the property’s housing and facilities can support more than 100 people. High-speed fiber-optic internet and diesel backup power serve high-use buildings, while the Lost Prairie Airstrip is about a mile away. The ranch is presented as a versatile setting for an educational center, corporate or nonprofit camp, hunting lodge, events venue, or private retreat.

Architectural Digest named it Montana’s most beautiful private high school. It is offered at $8,750,000