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Rock Bridge Memorial State Park

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Park Information

Just minutes from Columbia, Rock Bridge Memorial State Park gives visitors the chance to scramble, hike and bicycle through a scenic environment – and lets them peek into Missouri’s underworld. The park contains some of the most popular hiking trails in the state and also offers solitude while hiking in the Gans Creek Wild Area. Visitors can also see a large cave system with its rock bridge, sinkholes, a spring and underground stream at the Devil's Icebox. You can explore Connor's Cave in the light of the opening for a taste of the underground world. 

Park Hours

Park Grounds:

  • Sunrise to sunset, year-round
  • The gate to the Devil's Icebox/Natural Bridge areas opens and closes at these times.

Park Office hours

  • 9 a.m. to 12 p.m. and 1 p.m. to 4 p.m., Monday through Friday
  • Staff may also be available in the office on some weekends and during other hours. Please call ahead at 573-449-7402.
Missouri State Parks and Historic Sites
May 23, 2013
Fifty years ago, if you had arrived at the natural tunnel in Bennett Spring State Park, you would have seen a lake. Around 1964, a dam created from gravel and silt and reinforced with rebar and concrete blocked the upstream entrance of the natural tunnel. There is no record of how long the resulting lake lasted, but historical accounts state the dam failed after heavy rains, leaving only the portion of the structure seen today at the end of the trail. Walk the Natural Tunnel Trail today and imagine what it would have been like 50 years ago. For more information about this trail, other trails at the park, and all the other things you can do at Bennett Spring State Park, visit mostateparks.com.