Waukesha County

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Friday, October 23, 2020
6:00 – 8:30 p.m. 
$15 per carload
Recommended for ages 10 and younger

A Halloween-themed evening filled with scare-free entertainment and activities for the whole family! This event features night hikes, campfire, planetarium shows, children’s games and crafts, a DJ dance party, and food & beverages.

The Horwitz-DeRemer Planetarium will offer a showings every 30 minutes from 6:15 pm to 8:00 pm. Event fee includes one planetarium show admission.


Friends of Retzer Nature Center Members receive FREE entrance into this event. Find out how!

Volunteers are always needed. Contact our Volunteer Coordinator to find out how you or your organization can help!

Retzer Nature Center
General Information: (262) 896-8007
Environmental Learning Center Hours: 8:00 a.m. - 4:30 p.m.
Retzer Nature Center Ground Hours: Sunrise - 10:00 p.m. (Year-Round)

There is no daily entrance fee at Retzer Nature Center

Park System Office
515 W. Moreland Blvd. Rm AC 230 Waukesha, WI 53188
Business Hours: M-F, 8-4:30 pm (excluding Holidays)
Phone: (262) 548-7801 | Fax: (262) 896-8071
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