Seek the Peak!
Join us for 21st STP - Mount Washington Adventure Expo on July 16-17, 2021. Register, raise funds, earn prizes and to be a part of this amazing event.Register Today - Earn Prizes!
Science in the Mountains
Join Mount Washington Observatory staff each month as we bring experts from across the fields of weather, climate and beyond to the comfort of your home screen.Register Today!
Become a Member
Mount Washington Observatory is a member supported nonprofit institution. Observatory members enjoy a variety of great benefits.Join Today