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Yerkes Observatory

4.8

About this business

Location details

373 W Geneva St, Williams Bay, WI, 53191, United States

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WeekdayScheduleStatus
Mon09:30 a.m. to 5:30 p.m.
TueClosed
WedClosed
Thu09:30 a.m. to 5:30 p.m.
Fri09:30 a.m. to 5:30 p.m.
Sat09:30 a.m. to 5:30 p.m.
Sun09:30 a.m. to 5:30 p.m.
4.8885 reviews
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Donald Rindfleisch 
a week ago
Viktor Plohyy's profile image
Viktor Plohyy 
a week ago
Emily Dean Kim's profile image
Emily Dean Kim 
2 weeks ago

Our tour guide, Walt, was phenomenal. He led our family’s tour with enthusiasm and shared his extensive knowledge with joy. 

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David Small 
3 weeks ago

Incredible piece of scientific achievement in history and a testament to human tenacity. The building is gorgeous with great displays and the guides are well spoken and knowledgeable. 

Kat Thoman's profile image
Kat Thoman 
3 weeks ago

We did the basic tour and it was fantastic! Our tour guide, Jana, did a great job touching upon the history, architecture and science of the observatory. We will definitely be back again for another more in-depth tour! 

Frequently asked questions about Yerkes Observatory

How is Yerkes Observatory rated?

Yerkes Observatory has a 4.8 star rating with 885 reviews. 

When is Yerkes Observatory open?

Yerkes Observatory is closed now. It will open at 9:30 a.m. 

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