S14 W28167 Madison St., Waukesha, WI 53188 (directions)
262-896-8007
Hours
Environmental Learning Center
M-F 8 am - 4:30 pm • Sat 10 am - 3 pm
Retzer Nature Center Grounds
365 days Sunrise - 10 pm
Retzer Nature Center grounds open to all • No requirement for Parks annual membership or daily permit