WY Mule Deer Unit 121 — Heart Mountain

WY 121 — Heart Mountain. Terrain & Access Heart Mountain spans roughly 297,000 acres across north-central Wyoming at elevations from 4,053 to 8,066 feet. The unit features mixed high and lower-country habitat typical of the region—elevation swing supports diverse terrain from sagebrush foothills to high-elevation ridges and timber. Nearly half the unit (49%) is public land, offering reasonable access for self-guided hunters willing to explore beyond roaded areas. The remaining private acreage requires permission or outfitter arrangement. Herd Quality Recent wildlife surveys show an average buck:doe ratio of 29:100—a solid above-average herd composition indicating balanced age structure..