Waukesha County

COVID-19 Vaccine: Learn more at www.waukeshacounty.gov/vaccine

2021 Special Events

Saturday, September 18, 2021

Scarecrow Lane

September 15 - October 31 (Open Daily)
Build-A-Scarecrow At Home to add to the display!
Registrations are due September 15.

Story Hike at Retzer Nature Center
September 15 - October 31, 2021

Cub Scouts: Monday, October 4, 2021 
Girl Scouts: Thursday, October 7, 2021


Retzer Nature Center Fundraiser

October 28 - November 1, 2021
at Friends of Nature Stores

Waukesha County and the City of Waukesha have decided to discontinue the Howl-O-Ween event in order to focus on other fabulous autumn activities. We are encouraging the community to participate these family-friendly fall events:
City of Waukesha’s Oktoberfest
Waukesha County’s Airtoberfest
City of Waukesha’s Unlocked
Waukesha County’s Science Fest

To find a listing of all fall events available, please visit:

City of Waukesha Events: https://www.waukesha-wi.gov/
Waukesha County Events: https://www.waukeshacounty.gov/events

Saturday, November 6, 2021


2022 Special Events


Stay Tuned for 2022 Information

Stay Tuned for 2022 Information

Stay Tuned for 2022 Information

Waukesha County Parks Earth Activities & Events 

Stay Tuned for 2022 Information

Stay Tuned for 2022 Information

Retzer Nature Center
General Information: (262) 896-8007
Environmental Learning Center Hours: 8:00 a.m. - 4:30 p.m. (Mon.-Fri.); 10 a.m. - 3 p.m. (Saturday); Closed (Sunday)
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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