Petit Jean Natural Bridge, Conway County, Arkansas
Photo by Jay Wilbur
NABSQNO 15S-504908-3883794. Petit Jean Natural Bridge is actually an abandoned natural arch eroded through Hartshorne sandstone. It is located in Petit Jean State Park in Conway County, Arkansas. Access is via the Seven Hollows Trail, a 4.5 mile loop. It has a span of 30 feet, a height of 22 feet, a width of 23 feet, and a thickness of 20 feet.