Of 56 counties in the Treasure State, Flathead County is second in terms of its size (3 million acres). Flathead County is in the Glacier Country Montana region. A recent survey of Land Network data includes 3,000 acres of timberland for sale in Montana's Flathead County, which is valued at a combined $9 million. The average price of timberland for sale in Flathead County was $1 million. Browse all Montana forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.