Celebrate autumn at our family-friendly Apple Harvest Festival! Purchase fresh apples and enjoy delicious apple treats like pies, crisps, and cider at the Apple Market. Visit the Delafield Brewhaus Beer Garden for food, creamy root beer, and beer (21+) – try the Retzer Apple Ale!

Browse eco-friendly arts & crafts vendors and explore fun kids’ activities in “The Pines.” Take part in the Passport Expedition, silent auction, Scarecrow Lane scavenger hunt, story hike, Planetarium shows and live music by JC Ayer. Cards accepted at select locations, and an ATM is on site.

DATE & TIME: Saturday, September 20, 2025 • 9 a.m. - 4 p.m.

LOCATION: Retzer Nature Center (S14W28167 Madison St, Waukesha, WI)

COST: $10 per vehicle; CASH ONLYREGISTRATION: No registration; walk-ins welcome.

NOTE: Cash needed for entry; ATM is beyond the entrance.

Don’t miss this festive celebration, sponsored by the Friends of Retzer Nature Center in cooperation with Waukesha County Parks, Waukesha County Technical College and more!