Many other picnic areas, trails, and both open shelters remain open and accessible by vehicle.

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An interpretive trail featuring lichens (small plant-like organisms growing on trees and rocks) is located in the picnic area between the east entrance and the Oak Woods shelter.

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The sandstone was deposited 300 million years ago following the retreat of the shallow sea that covered much of the midwest.

About 13,000 years ago, glacial meltwater began to cut down through the sandstone, forming the park's dramatic cliffs and valleys.

In 1924, the Ledges officially became one of Iowa's first state parks.

Park facilities constructed of native timber and field stone by the Civilian Conservation Corps (CCC) in the 1930's are still standing today.

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The Canyon Drive is currently closed to vehicle traffic while a construction project is underway to repair roadway damages.

Native American mounds in the vicinity contain artifacts acting as silent reminders of the area's past inhabitants.

The beauty of the canyons and bluffs of Ledges very quickly became a major attraction to the growing local communities.

These examples of fine craftsmanship include an arch stone bridge, shelter in Oak Woods, stone trail steps and the stone shelter in lower Ledges.