Jack Mountain is located in the Northeastern Cascades region and is a member of The Upper Skagit Five, The Landmark Twelve, and The Big Ten. Its traditional summit elevation of 9066 ft has been revised to 9065 ft based on recent lidar analysis by Eric Gilbertson.
Jack Mtn via Crater Lake—Jerry Lakes—South Face—West Ridge (Upper Skagit Mountains, WA)
Trip Date: August 13-15, 2005 Jack Mountain Climbing Trip Crater LakeCrater Mountain SaddleJerry LakesCrater Creek
...
