Halfway Lake   Be the first to submit input for Halfway Lake. If you have info on Halfway Lake, Alaska Range, Matanuska-Susitna Borough, Alaska please submit it here to improve this web site.          These outdoors activities are available near Halfway Lake.   Public Lands Near Halfway Lake: Lake Clark National Park & Preserve, Anchorage - AK, 54 miles away   Whitewater Near Halfway Lake: Happy River, Matanuska-SusitnaBorough, 11 miles away       Class III+ - 32.5 miles long (Close to Sheep Lake to Skwentna River)