Pomona Natural Bridge, Natural arch in Shawnee National Forest, Illinois.
Pomona Natural Bridge is a natural stone arch in Shawnee National Forest, Illinois, spanning across a rocky ravine. The formation rises from dense forest and creates a passage where water and stone have worked together over time.
The area served Native American communities for centuries before European settlement came to Illinois. The landscape was part of their routes and daily use of the forest lands.
The bridge serves as a place where visitors encounter nature's work firsthand and learn how flowing water shapes stone over time. People come here to experience the forest and witness this natural creation in its surroundings.
The trail to reach the arch is short and straightforward, marked with blue signs to guide you through the forest. The path uses gravel and is easy to walk on for most visitors.
Beneath the arch lies a shallow cave system where water flows and carves patterns into the limestone during heavy rainfall. This hidden feature reveals that the arch continues to be shaped by nature's forces.
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