Fortress Mountain () is located in the

Absaroka Range The Absaroka Range ( or ) is a sub-range of the Rocky Mountains in the United States. The range stretches about across the Montana–Wyoming border, and at its widest, forming the eastern boundary of Yellowstone National Park along Paradise Va ...

in the U.S. state of

Wyoming Wyoming () is a U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the south ...

. Fortress Mountain is south of Sheep Mesa, a subpeak along the mesa that is lower in altitude. The headwaters of Cabin Creek are on the east slopes of Fortress Mountain, while those for Sheep Creek are on the northwest.

Climate

References

Mountains of Wyoming Mountains of Park County, Wyoming Shoshone National Forest {{Wyoming-geo-stub