Henderson Lake   Be the first to submit input for Henderson Lake. If you have info on Henderson Lake, San Juan County, Washington please submit it here to improve this web site.          These outdoors activities are available near Henderson Lake.   Public Lands Near Henderson Lake: Spencer Spit State Park, Washington, 4 miles away James Island State Park, Washington, 4 miles away Doe Island State Park, Washington, 8 miles away Lake Chelan National Recreation Area, Sedro-Woolley - WA, 44 miles away North Cascades National Park, Sedro-Woolley - WA, 44 miles away Ross Lake National Recreation Area, Sedro-Woolley - WA, 44 miles away   Marinas On or Near Henderson Lake: Blakely Island General Store & Marina, Blakely Island, 5 miles away Spencer's Landing Marina, Lopez Island, 5 miles away Islands Marine Center, Lopez Island, 6 miles away West Sound Marina, Orcas, 10 miles away Deer Harbor Marina, Eastsound, 12 miles away   Camp Grounds Near Henderson Lake: Doe Bay Village Resort, Olga, 7 miles away   Hotels Near Henderson Lake: Tucker House and Harrison Hous, Friday Harbor, 13 miles away Bird Rock Hotel, Friday Harbor, 14 miles away Earthbox Motel and Spa, Friday Harbor, 14 miles away Friday Harbor House, Friday Harbor, 14 miles away BEST WESTERN PLUS Friday Harbor Suites, Friday Harbor, 14 miles away