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Extreme Mount Washington



More than a quarter million people visit the summit of Mount Washington each summer by car, train, or foot. But in winter, sub-zero temperatures, hurricane-force winds, blowing snow and incredible ice claim the peak, creating an arctic outpost in a temperate climate zone. Known as the Home of the World's Worst Weather, Mount Washington's winter conditions rival those of Mount Everest and the Polar regions.

This remarkable, otherworldly landscape is completely inaccessible to all but the most experience winter mountaineers... until now.

Mount Washington Observatory's newest educational offering, Extreme Mount Washington delivers the science and excitement of a Mount Washington winter to summer visitors of all ages through high-tech, hands on exhibits. Learn how rime ice forms, pilot a snowcat, see how Mount Washington Observatory scientists observe and record the infamous conditions and more. Get a taste for life in the alpine zone, no ice axes required!


Extreme Mount Washington is located inside the Mt. Washington State Park Sherman Adams Visitor Center, so it is open whenever the Visit Center is open. Hours vary by month, so please visit the Mt. Washington State Park website to plan your visit.


General Public
Adults and children 7 and older: $5
Children 6 and under: Free

Mt. Washington Auto Road and Mt. Washington Cog Railway Patrons
Admission is included in the cost of your Auto Road or Cog Railway ticket. Please present your ticket at the time of entry.

Mount Washington Observatory and ASTC Members
All supporting Mount Washington Observatory members and members of partner ASTC institutions receive complimentary admission.


Extreme Mount Washington is located inside the Mt. Washington State Park Sherman Adams Visitor Center. For directions to Mt. Washington State Park on the summit of Mount Washington, please visit our Visitor Information page.

Once at the summit, proceed inside the Visitor Center and look for the Extreme Mount Washington signage. The museum is located in the lower level of the building.



Michelle Cruz
Director of Education
(800) 706-0432, ext. 225

Home of the World's Worst Weather
Administration: 2779 White Mountain Highway, P. O. Box 2310, North Conway, NH 03860 • Tel: 603-356-2137 • Fax: 603-356-0307 • contact us
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