Of 56 counties in the Treasure State, Fallon County is 46th in terms of its size (1,622 square miles). Fallon County is in Southeast Montana. Recent listings of hunting land for sale in Montana's Fallon County totals 6,000 acres and a combined market value of almost $4 million. The most common type of land for sale by combined acreage in Fallon County is undeveloped land. Browse all Fallon County hunting land for sale on the Land Network to find the hunting tract 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 expand your hunting business. The most common type of land for sale by combined acreage in Fallon County is undeveloped land.