Facility Info
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Exhibits Space
- Reception Capacity 150
- Banquet Capacity 150
- Number of Rooms 5
- Classroom Capacity 130
Yerkes Observatory
- Address:
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373 W. Geneva Street
Williams Bay, WI 53191 - Phone:
- (262) 245-5555
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Amenities
General
- Number of Meeting Rooms: 4
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Alternative Meeting Space:
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Theater Available:
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Banquet Set-up Available:
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Audio/Video Available:
General
- Price Range: $$
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Fall:
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Winter:
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Spring:
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Summer:
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Year Round:
- Level of Difficulty: Medium
- Largest Group Capacity: 100 indoor and 300 outdoor
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Wheelchair Accessible:
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Group Tour:
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Family Fun:
General
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Reduced Occupancy/Occupancy Limits:
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Limited Elevator Occupancy:
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Mobile Payments Accepted:
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Mobile Payments Required:
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CDC Recommended Cleaning Procedures:
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Open For Business:
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Events
Yerkes Concert Series: AREPO in the Great Refractor Dome
Yerkes Concert Series: AREPO in the Great Refractor Dome
May 22, 2025 - May 23, 2025
Y.O. Speaker Series: Dr. Amanda Bauer Talks "Cosmic Vertigo"
Y.O. Speaker Series: Dr. Amanda Bauer Talks "Cosmic Vertigo"
Jun 12, 2025 - Jun 12, 2025
Y.O. Speaker Series: Architect Jeanne Gang
Y.O. Speaker Series: Architect Jeanne Gang
Jul 17, 2025 - Jul 17, 2025
Y.O. Speaker Series: Family-Friendly Astronomy with Dean Regas
Y.O. Speaker Series: Family-Friendly Astronomy with Dean Regas
Jul 24, 2025 - Jul 24, 2025
Y.O. Speaker Series: Dr. Katie Mack Presents "Physics at the End of the Universe"
Y.O. Speaker Series: Dr. Katie Mack Presents "Physics at the End of the Universe"
Aug 14, 2025 - Aug 14, 2025