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Review Highlights

We have wanted to do this forever...so we signed up for the 9:30 PM tour which allows you to view... read more

Reviewed today
Barrington, Illinois
Amazing destination that reminds you of the wonder of science, art and discovery

I visited Yerkes Observatory for a Saturday tour with my parents and siblings. From the moment we... read more

Reviewed 4 days ago
Washington DC, District of Columbia
via mobile
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  • Excellent79%
  • Very good18%
  • Average1%
  • Poor1%
  • Terrible1%
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“tour guide”(27 reviews)
“solar eclipse”(9 reviews)
“lake geneva”(31 reviews)
Yerkes Observatory is owned and operated by the University Chicago, Department of Astronomy and Astrophysics, and located in Williams Bay, Wisconsin. Built between 1895 and 1897 in the classic Romanesque style, Yerkes is home to the largest...more
373 W Geneva St, Williams Bay, WI 53191-9603
+1 262-245-5555
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All reviewstour guidesolar eclipselake genevascience historyterra cottasaturday tourarchitectural detailsgreat tourinner workingsgift shopentire floorwealth of knowledgefascinating placearchitecture buffsknew his stuffexplained everythingan amazing experience
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1 - 10 of 271 reviews
Reviewed today

We have wanted to do this forever...so we signed up for the 9:30 PM tour which allows you to view the night sky through one of the largest telescopes in the world. Our tour guide was Dan and he was very informative and made sure...More

Thank barringt0nh0tt0mat0
Reviewed 4 days ago via mobile

I visited Yerkes Observatory for a Saturday tour with my parents and siblings. From the moment we arrived we were entranced by the majestic structure rising out of the lakeside woods. On the day we visited it was a bit overcast, which added to the...More

Thank csmmay15
Reviewed 1 week ago via mobile

You don’t have to be into astronomy to enjoy this tour. There is something for most everybody to enjoy. It combines science, technology, architecture, and history all into one. This is a must see if you’re in the lake Geneva area. But I suggest you...More

Thank william R
Reviewed 1 week ago

You get to learn a lot of history as well as planetary facts and facts about the architecture. The tour guides are very knowledgeable and you get to see both the interior and exterior of the building, as well as looking at (but not through)...More

Thank thearts912
Reviewed 1 week ago

We arrived a bit too soon for the scheduled tour time, so we enjoyed the outside and spent some time taking pictures and observing the building's architecture. We purchased our tickets in the gift shop and viewed the interior. There were a fair number of...More

Thank slpear
Reviewed 2 weeks ago via mobile

We went on the 2pm tour of the facility. While I would have liked to try the telescope, I understood why I could not in the afternoon. I was glad to learn the history of the facility. The guide knew his material. He seemed to...More

Thank jmfaier
Reviewed 12 June 2018

If you're interested in architecture, this is a must-see. If you're interested in history, this is a must-see. If you're interested in astronomy or astrophysics, this is a must-see. Our tour guide said he was the B-team as he was filling in for someone else,...More

Thank SteveMirn
Reviewed 8 June 2018 via mobile

My familiy and I went to Yerkes Observatory for a weekday tour. We were the only ones that arrived. The tour guide was very nice and very knowledgeable which is why I gave this review 2 stars instead of 1. The building is amazing especially...More

Thank artteach17
Dan K, Manager at Yerkes Observatory, responded to this reviewResponded 12 June 2018

Thank you for taking the time to let us know about your tour experience at Yerkes. I appreciate your comments and wish to apologize for disappointing you. I hope that you'll be able to return to Yerkes in the near future so we can provide...More

Reviewed 5 June 2018

The Yerkes Observatory is a fascinating place. In its day the largest telescope in the world, it still inspires the wonder of discovery. The buildings and domes are architecturally rich, and the mechanisms for elevating the enormous floor beneath the telescope, and opening the dome,...More

Thank jheidekat
Reviewed 4 June 2018

Yerkes Observatory is located in Williams Bay, Wisconsin, and is considered to be the birthplace of modern astrophysics. It is home to the world’s largest refracting telescope. My friend and I made reservations to attend an evening presentation at the observatory, and were not disappointed....More

1  Thank Dare2BGroovy
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Questions & Answers
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Mary D
23 August 2017|
AnswerShow all 4 answers
Response from SteveT6029677454 | Reviewed this property |
Thanks for your comment Mary. Important for other folks to know.
Bridget G
27 June 2016|
AnswerShow all 5 answers
Response from Dan K | Property representative |
Bridget, our tours are most appropriate for ages 6 and up. Weekday tours are structured and visitors must stay with the tour guide at all times. Yerkes is a working facility and our offices are open on the main floor and... More
27 August 2015|
Response from Dan K | Property representative | Reviewed this property |
Hi, and thanks for asking about Yerkes. I am one of the tour guides and am happy to give you directions. The Observatory is located at 373 W Geneva St (Hwy 67), Williams Bay, WI 53191. Travel west from the central area of... More