Sagawau Canyon, Protected canyon in Lemont, Illinois.
Sagawau Canyon features exposed dolomite bedrock formations that support uncommon plant species within the Des Plaines River Valley ecosystem.
The Forest Preserves of Cook County established Sagawau Canyon as an Illinois State Nature Preserve in 1984 to protect its geological features.
The Environmental Learning Center at Sagawau Canyon provides educational programs about local ecology and geological formations throughout the year.
Visitors can access the canyon exclusively through naturalist-guided tours from spring to fall, with reservations required through the Forest Preserves.
The preserve contains rare plant species including bulblet fern, purple cliff brake, walking fern, hairy rock cress, and ninebark.
GPS coordinates: 41.68770,-87.92600
Latest update: March 22, 2025 17:25
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