Upper Sweetheart Lake   Be the first to submit input for Upper Sweetheart Lake. If you have info on Upper Sweetheart Lake, Juneau Borough, Alaska please submit it here to improve this web site.          These outdoors activities are available near Upper Sweetheart Lake.   Ski Areas Near Upper Sweetheart Lake: Eaglecrest, Alaska, 71 miles away       1400 foot drop, 3 lifts, 31 runs