Of 56 counties in Big Sky Country, Fallon County is 46th in terms of its size (1,622 square miles). Fallon County is in Southeast Montana. A recent survey of Land Network data records almost 6,000 acres of hunting land for sale in Montana's Fallon County, which is valued at a combined $4 million. Browse all Fallon County hunting land for sale on the Land Network to find the hunting acreage that suits your hunting and outdoor-recreation interests, whether you're an individual looking to invest in hunting land for future use or commercial operation looking for land on which to build your hunting business. The most common type of land for sale by combined acreage in Fallon County is undeveloped land.