Old Iditarod Trail Be the first to review Old Iditarod Trail            Map Map Campgrounds Nearby List of Nearby Campgrounds Weather Local weather forecast These outdoors activities are available near Old Iditarod Trail.   Whitewater Near Old Iditarod Trail: Happy River, Matanuska-Susitna Borough , 19 miles away, Class III+ - 32.5 miles long (Close to Sheep Lake to Skwentna River) Skwentna River, Matanuska-Susitna Borough , 21 miles away, Class III+ - 113 miles long (Twin Glaciers to Skwentna)   Public Lands Near Old Iditarod Trail: Lake Clark National Park & Preserve, Anchorage - AK , 58 miles away