The Jedediah Smith Wilderness is located in the U.S. state of Wyoming. Designated wilderness by Congress in 1984, Jedediah Smith Wilderness is within Caribou-Targhee National Forest and borders Grand Teton National Park. Spanning along the western slopes of the Teton Range, the wilderness ensures a high level of protection to this delicate ecosystem. Jedediah Smith Wilderness is an integral part of the Greater Yellowstone Ecosystem.