Iowa Natural Heritage Foundation

Brenton Slough Grand Opening

June 6, 2026, 9:00 AM - 12:00 PM (US Central)

Location:
Brenton Slough, Grimes

Polk County Conservation is preparing to open the newly protected 1,113‑acre Brenton Slough, one of the region’s most ecologically significant landscapes, on June 6, 9 am - Noon. This rare mix of oak savanna, migratory bird habitat, and one of Iowa’s few true sloughs is the largest land acquisition in Polk County Conservation history. Save the date to celebrate its official opening and experience this remarkable natural area firsthand.

Enjoy these engaging activities at the opening event:

  • Bird watch
  • Tour the park on hayrack ride
  • Learn about park research
  • Hike
  • Play nature games
  • Meet conservationists
  • Hunt for insects

Visit Polk County Conservation for directions, parking and more information. 

Learn more about Brenton Slough here. 

« Back

© 2026 Iowa Natural Heritage Foundation. All rights reserved.