Yerkes Solstice Celebration

Join us for Yerkes Solstice Celebration on the lawn!

This rain or shine event will take place June 16th from 6:30-10:30 PM. There will be an array of activities including telescopes on the South lawn, presentations, planetarium shows, and educational activities for you and your family!

Tickets for this event cost $10 and $5 for Youth and Children and are available online onlyReservations are requiredThere will not be parking onsite at the Observatory. Ticket holders must park at Williams Bay School and board an accessible trolley that will run a continuous shuttle between the school and observatory during the Star Party. Only ticket holders will be admitted on the trolleys. To reserve ticketsclick here.

Participating Groups

-Geneva Lake Astrophysics and STEAM (GLAS Education), is committed to a mission of service to provide inclusive STEM experiences for individual, local, and global good through innovative educational programs that are anchored in a vibrant multigenerational community and make the world a better place through unprecedented engagement in astronomy and STEM. For more information, visit

-Barrett Memorial Library

Morgan House Restoration
“Time Will Tell” by Ashley Zelinskie