Mason Lake   Be the first to submit input for Mason Lake. If you have info on Mason Lake, Northern Cascade Range, King County, Washington please submit it here to improve this web site.          These outdoors activities are available near Mason Lake.   Lakes Near Mason Lake: Olallie Lake, King County, 3 miles away Honey Lake, King County, 8 miles away Lunker Lake, King County, 10 miles away Lake Pugsley, King County, 13 miles away Rattlesnake Lake, King County, 15 miles away   Public Lands Near Mason Lake: Olallie State Park, Washington, 7 miles away Federation Forest State Park, Washington, 16 miles away Mount Baker-Snoqualmie National Forest, Washington, 17 miles away Mount Rainier National Park, Ashford - WA, 44 miles away Lake Chelan National Recreation Area, Sedro-Woolley - WA, 67 miles away North Cascades National Park, Sedro-Woolley - WA, 67 miles away   Camp Grounds Near Mason Lake: Commonwealth Campground, King County, 9 miles away   Hotels Near Mason Lake: The Old Hen Bed & Breakfast, North Bend, 17 miles away Salish Lodge And Spa, Snoqualmie, 20 miles away Kings Valu Inn, Enumclaw, 30 miles away Monroe Motel, Monroe, 35 miles away Holiday Inn SEATTLE-ISSAQUAH, Issaquah, 36 miles away   Hiking Trails Near Mason Lake: Mount Defiance Trail, King County, 1 miles away        13.2 hiking miles, 1672 feet elevation difference Pratt Lake Trail, King County, 3 miles away        8 hiking miles, 2378 feet elevation difference Annette Lake Trail, King County, 6 miles away        4.6 hiking miles, 1906 feet elevation difference   Ski Areas Near Mason Lake: Alpental, Washington, 9 miles away       2280 foot drop, 5 lifts, 19 runs Summit at Snoqualmie, Washington, 10 miles away       2280 foot drop, 26 lifts, 96 runs Stevens Pass, Washington, 22 miles away       1800 foot drop, 10 lifts, 37 runs   Whitewater Near Mason Lake: Pratt River, KingCounty, 2 miles away       Class IV - 6 miles long (Kaleetan Creek to Middle Fork Snoqualmie) Snoqualmie River - Middle Fork, KingCounty, 6 miles away       Class II - 7.5 miles long (Taylor River to Concrete bridge) Snoqualmie River - Middle Fork, KingCounty, 7 miles away       Class III-IV - 7 miles long (Concrete bridge to Tanner)