Big Hidden Lake   Be the first to submit input for Big Hidden Lake. If you have info on Big Hidden Lake, Northern Cascade Range, Okanogan County, Washington please submit it here to improve this web site.          These outdoors activities are available near Big Hidden Lake.   Public Lands Near Big Hidden Lake: Okanogan National Forest, Washington, 12 miles away Pearrygin Lake State Park, Washington, 32 miles away   Hotels Near Big Hidden Lake: Sun Mountain Lodge, Winthrop, 27 miles away Americas Best Value Inn Winthrop, Winthrop, 31 miles away   Hiking Trails Near Big Hidden Lake: Boundary Trail, Okanogan County, 3 miles away       18.9 hiking miles, 3809 feet elevation difference Monument Creek Trail, Okanogan County, 9 miles away        29.8 hiking miles, 4673 feet elevation difference Driveway Butte Trail, Okanogan County, 14 miles away        9.4 hiking miles, 3442 feet elevation difference   Whitewater Near Big Hidden Lake: Lost River, OkanoganCounty, 10 miles away       Class IV-V - 12 miles long (Drake Creek to Methow River confluence) Methow River, OkanoganCounty, 13 miles away       Class II(III) - 54 miles long (River Bend Campground to Carlton)