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Yerkes Observatory

4.8

About this business

The stars have cast their spell on romantics, scientists, seafarers, and backyard astronomers for ages. Since 1897 Yerkes Observatory has played a leading role in the exploration of the stars and our universe. Now, the site of the Great Refractor telescope is embarking on its next chapter, an independent organization offering new opportunities for you to experience astronomy, culture, and science. Our mission: to nurture the curious minds of a new century. Reopening activities are underway and we’re ready for your visi... read more

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.
4.8781 reviews
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Rodney Knoke's profile image
Rodney Knoke 
on Google
3 days ago
John Crawford's profile image
John Crawford 
on Google
3 days ago

Very impressive place with a lot of fascinating history. I highly recommend a visit and hope that the observatory can continue to thrive and inspire both young and old. 

Paul Isais's profile image
Paul Isais 
on Google
6 days ago
Ed Russell's profile image
Ed Russell 
on Google
a week ago
Hans-Christian Bohlmann's profile image
Hans-Christian Bohlmann 
on Google
a week ago

Thank you for the great visit of August 3rd. Very clear explanations and a magnifient place. The team is firendly and knowlagable. 

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Frequently asked questions about Yerkes Observatory

How is Yerkes Observatory rated?

Yerkes Observatory has a 4.8 star rating with 781 reviews. 

When is Yerkes Observatory open?

Yerkes Observatory is open now. It will close at 5:30 p.m.  

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