Lake Merwin   Be the first to submit input for Lake Merwin. If you have info on Lake Merwin, Northern Cascade Range, Cowlitz County, Washington please submit it here to improve this web site.          These outdoors activities are available near Lake Merwin.   Lakes Near Lake Merwin: Coweeman Lake, Cowlitz County, 11 miles away   Public Lands Near Lake Merwin: Battle Ground Lake State Park, Washington, 8 miles away Lewis and Clark State Park, Oregon, 23 miles away Seaquest State Park, Washington, 25 miles away Mount Rainier National Park, Ashford - WA, 55 miles away   Marinas On or Near Lake Merwin: Mc Cuddy's Marina, Ridgefield, 15 miles away PAC Mar Marina, Portland, 18 miles away Rodgers Marine Electronics, Portland, 18 miles away Columbia River Marina, Portland, 18 miles away Columbia Corinthian Marina, Portland, 18 miles away   Camp Grounds Near Lake Merwin: Big Fir Campground and RV Park, Ridgefield, 8 miles away Lewis River RV Park, Woodland, 9 miles away   Hotels Near Lake Merwin: BEST WESTERN PLUS Battle Ground Inn & Suites, Battle Ground, 8 miles away Holiday Inn Express Hotel & Suites VANCOUVER-N (SALMON CREEK), Vancouver, 13 miles away Days Inn And Suites Salmon Creek Vancouver, Vancouver, 13 miles away La Quinta Inn & Suites Vancouver, Vancouver, 13 miles away BEST WESTERN PLUS Vancouver Mall Dr. Hotel & Suites, Vancouver, 14 miles away   Hiking Trails Near Lake Merwin: Georges Peak Trail, Cowlitz County, 6 miles away       5.6 hiking miles, 1673 feet elevation difference   Whitewater Near Lake Merwin: Kalama River, CowlitzCounty, 6 miles away       Class II-IV - 9.5 miles long (Gobar Creek to Lower Kalama Falls) Lewis River - East Fork, ClarkCounty, 7 miles away       Class II - 3 miles long (Lewisville Park to Daybreak Park) Cedar Creek, ClarkCounty, 7 miles away       Class II-III(IV) - 10.3 miles long (Amboy to North Fork Lewis)