Other Environments



Dolomite cliff. The walls of Sagawau Canyon, Cook County’s only canyon, support many interesting species of liverworts, ferns and other life.

>>>See it at Sagawau Environmental Learning Center in Lemont.


Bluff. The forested bluffs along the Des Plaines River Valley were carved out by ancient floodwaters.

>>>See it at Swallow Cliff in Palos Park; Black Partridge Preserve in Lemont; Red Gate Woods along Archer Avenue in Willow Springs.


Ravine. These habitats favor species that need a sheltered, often cooler and wetter environment.

>>>See it in the Palos Preserves in Willow Springs; Deer Grove in Palatine; Tinley Creek in Palos Heights; Black Partridge Woods in Lemont.

Read more about the ecosystems of the Forest Preserves of Cook County:

Visit two of the treasures of the Forest Preserves of Cook County