Castle in the Clouds Conservation Area The Castle in the Clouds Conservation Area in the Ossipee Mountains of Moultonborough totals over 5,000 conserved acres, offering30 miles of trails and carriage roadsmaintained by volunteers. The area features trails of varying difficulty levels—from easy walks to moderate summits—with options suitable for all hikers. Depending on the trail you choose and the season in which you hike, you may encounter spectacular waterfalls, incredible views from mountain summits and outlooks, signs of wildlife, historic sites, interesting geological features. Popular highlights includefive of the most beautiful New Hampshire waterfalls: Song of Fall, Bridle Veil Falls, Roaring Falls, Twin Falls and Whittier Falls, andgorgeous views of Lake Winnipesaukee and the hillside at the summit of Bald Knob and Turtleback Mountain. You cannot hike to the Castle (Lucknow Mansion) and tickets are required to visit, though the hiking trails themselves are free to access during daylight hours.