Hidden Lake   Be the first to submit input for Hidden Lake. If you have info on Hidden Lake, Okanogan County, Washington please submit it here to improve this web site.          These outdoors activities are available near Hidden Lake.   Public Lands Near Hidden Lake: Steamboat Rock State Park, Washington, 19 miles away Bridgeport State Park, Washington, 21 miles away Fort Okanogan State Park, Washington, 24 miles away   Hotels Near Hidden Lake: Best Western Plus Peppertree Inn at Omak, Omak, 18 miles away Rodeway Inn & Suites, Omak, 18 miles away Ephrata Travelodge, Ephrata, 41 miles away Best Western Rama Inn, Ephrata, 42 miles away AmeriStay Inn & Suites, Moses Lake, 46 miles away