| | Absaroka-Beartooth Wilderness | | The United States Congress designated the Absaroka-Beartooth Wilderness in 1978 and it now has a total of 943,626 acres. Montana contains approximately 920,343 acres. Wyoming contains approximately 23,283 acres. | |
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| | North Absaroka Wilderness | | The United States Congress designated the North Absaroka Wilderness in 1964 and it now has a total of 350,488 acres. The entire wilderness is in Wyoming. | |
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| | Washakie Wilderness | | The United States Congress designated the Washakie Wilderness in 1964 and it now has a total of 704,274 acres. The entire wilderness is in Wyoming. | |
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