John Payson Williston Observatory

The John Payson Williston Observatory is an astronomical observation facility located on the Mount Holyoke College campus in Massachusetts. The building houses multiple telescopes that are used for viewing celestial objects and supporting educational activities.

The observatory was built in 1881 as an outpost for astronomical research and observation. It grew from the college's commitment to advance scientific study and celestial exploration.

This facility serves as a gathering place where students and visitors share the experience of looking at the night sky together. The space allows people to explore the cosmos and feel connected to what lies beyond Earth.

The observatory sits at a higher elevation on campus, which provides better viewing conditions for the night sky. Visitors should plan their visit when clear skies are forecast for the best observation experience.

The building is one of the oldest structures on the college campus and represents a direct link to 19th-century astronomical science. Its continuous use for education makes it a living reminder of how scientific curiosity has endured over generations.

Part of: Mount Holyoke College

Website: https://mtholyoke.edu/acad/astronomy/williston-observatory

GPS coordinates: 42.25610,-72.25610

Latest update: December 14, 2025 18:03