Ayres Natural Bridge was created over time as La Prele Creek eroded a solid rock wall. The result of this erosion is a unique arch formation with La Prele Creek flowing beneath the natural bridge. Ayres Natural Bridge is one of only a few in the world that still has water flowing beneath it.

Ayres Natural Bridge Park is a county park in Converse County, Wyoming. The park is located between Douglas and Glenrock, just about five miles from I-25. In addition to being home to this unique natural bridge, the park also offers day use areas with picnic pavilions and a small campground. Vehicle size is limited to 30 feet due to the winding road and small parking areas. Pets are not allowed.

Ayres Natural Bridge as seen from the campground
The narrow, winding road into Ayres Natural Bridge Park
Ayres Natural Bridge as seen from the campground
Old power station along La Prele Creek as seen from the natural bridge
Ayres Natural Bridge as seen from the day use area

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