Mitchell Peak, elevation 12,483 feet, sits east of Jackass Pass and above Lonesome Lake in the Wind River Range. According to the “Wyoming Mountains” website, take the Big Sandy Trail to Big Sandy Lake, about six miles to get a good view of Mitchell Peak: http://www.rexheadd.com/wyoming/mitchell/trip.html.
To reach the Big Sandy trailhead, head south from the Town of Pinedale, Wyo., on U.S. Highway 191 for about 12 miles, then turn left on Wyoming State Highway 353 (WY-353) and drive approximately 15.5 miles where WY-353 transitions into Big Sandy-Elkhorn Road/Sublette County Road 118. Continue for another 12 miles and then make a left turn onto Lander Cutoff Road/County Road 132 (CR-132). Follow for CR-132 for 7 miles, then turn left onto Big Sandy Opening Road/Forest Service Road 370850(FS-370850) and drive for 9.7 miles and then make a right at the fork. Big Sandy Trailhead is on the left at the end of the road. Additional information and a map are available at https://www.fs.usda.gov/recarea/btnf/recreation/hiking/recarea/?recid=71741&actid=51.
Technical information for climbers can be found on “Mitchell Peak Rock Climbing,” on the Mountain Project website. The most popular climb, according to the website, is the North Face Center route. The website can be accessed at https://www.mountainproject.com/area/105856200/mitchell-peak;http://www.peakbagger.com/peak.aspx?pid=27560.