Longitude: 88.5563° W
Looking for information about tours, tickets, private events, or visiting Yerkes? Check our FAQ page for answers to common questions.
For additional assistance, please use our Contact Us form. Our staff are often busy with visitors and daily operations, so email is the best way to reach us. Thank you for your patience!
Plan ahead to make the most of your visit. Here are a few key things to know before you arrive, from ticketing and access to helpful resources.
Interior access is available by advance ticket only during scheduled tours and events.
The arboretum is open dawn to dusk unless there is a private event. No ticket is required.
All photo shoots and drone flights must be approved in advance. Please use the Contact Us form to request permission.
If you have questions, please fill out the contact form, email us at info@yerkesobservatory.org, or call 262-245-5555.
For details about accessibility, parking, and more, please see our FAQs.
