Mingo Wilderness is an 8,000 acre U.S. Wilderness Area located in southeastern Missouri in the Mingo National Wildlife Refuge. It was established and governed under the Wilderness Act of 1964. While the public is invited to engage in recreational opportunities such as fishing, hiking, canoeing, and wildlife observation, all uses are primitive and n…Mingo Wilderness is an 8,000 acre U.S. Wilderness Area located in southeastern Missouri in the Mingo National Wildlife Refuge. It was established and governed under the Wilderness Act of 1964. While the public is invited to engage in recreational opportunities such as fishing, hiking, canoeing, and wildlife observation, all uses are primitive and nondestructive and all access is by either foot traffic or nonmotorized boat.