Ayres Natural Bridge Park, County park in Converse County, Wyoming, US.
Ayres Natural Bridge Park contains a natural limestone arch that spans across LaPrele Creek within a deep red sandstone canyon. The formation extends roughly 100 feet in length and rises approximately 50 feet above the water's surface.
The park began in 1920 when Andrew and Edna Ayres donated their land to Converse County to protect the natural bridge. Decades later, the county expanded the grounds in 1977, transforming it into a public recreational area.
Early travelers on the Oregon Trail made detours to witness this natural wonder, establishing it as a destination long before modern tourism. The formation has remained a gathering place where people connect with the land's raw geological character.
The park offers camping areas for smaller vehicles, picnic facilities, courts for recreation, and walking trails near the stream. Plan ahead with reservations and bring water and sturdy footwear to safely navigate the rocky terrain.
This natural formation ranks among only three in the entire United States where water continuously flows underneath an arching stone structure. The rarity of this geological condition makes the site exceptionally special compared to similar formations elsewhere.
Location: Converse County
GPS coordinates: 42.73410,-105.61200
Latest update: December 6, 2025 17:40
Wyoming preserves geological sites that include thermal springs, canyons, and rock formations. The state protects historic locations such as forts, rock art, and dinosaur tracks. Devils Tower rises 1,267 feet (386 meters) above the terrain and represents a significant geological formation. Fossil Butte conserves Eocene-era fossils in a former lakebed. Independence Rock served as a landmark for Oregon Trail travelers, while Fort Phil Kearny documents 1860s military history. The landscape includes waterfalls such as Popo Agie Falls and Jenny Lake Hidden Falls, mountain passes like Sylvan Pass, and Wind River Canyon. The Bighorn Medicine Wheel consists of stones arranged in a pattern on Medicine Mountain. Castle Gardens and Legend Rock display prehistoric petroglyphs. Red Gulch preserves dinosaur tracks more than 100 million years old. Sinks Canyon demonstrates a geological phenomenon where the Popo Agie River disappears into limestone caverns. Nature parks, hot springs like Granite Hot Springs, and forest areas such as Medicine Bow-Routt National Forests provide access to these areas.
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