About Revisions Loon Cove Lake Winnipesaukee, Alton, NH 03810 More Info Max Depth: 36-40ft/11-12m Entry Type: Boat Bottom Composition: Rock Aquatic Life: Might See Something Spring: Under 50°F/10°C Summer: 50-55°F/10-13°C Winter: Under 50°F/10°C 8/18/2012 4:05 AM

Loon Cove is a boat accessible fresh water dive site, located at Lake Winnipesaukee, Alton, NH 03810. The maximum depth is 36-40ft/11-12m.

Loon Cove - The wreck of the Echo Junior lies in about 38 feet of water on the south side of the red buoy in Alton Bay. The 28-foot hull is still intact. It burned to the waterline on its maiden voyage. The engine of the 1940’s speedboat is a 12-cylinder Allison Aircraft engine.