Home States  Connecticut  Maine  Massachusetts  New Hampshire  New York  Rhode Island  Vermont  View All Lists  NE 4,000 Footers  NE 100 Highest  NH 4,000 Footers  NH 52 With A View  NH Belknap Range  NH Ossipee 10 Explanation of Ratings Links Ossipee Mountains Notice Search Trail Conditions Trip Log About	Mystery Hill North Salem, NH America's Stonehenge Summary Mystery Hill is home of America's Stonehenge, a collection of rock walls, stairs, and tunnels with unknown origins. This complex has been featured in numerous books, as well as on the History Channel. Summit Elevation 335 feet Summit Facilities Observation deck. Trip Reports: Click on the date for photos, timestamps, and maps. Date of Hike Trail(s) Length Steepness Vertical April 18, 2005 Unknown Easy Easy 150' More Information America's Stonehenge web site
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