Meramec Caverns

1135 Highway W
Sullivan MO 63080
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Opening Hours

  • Mon: 9am-7pm
  • Tue: 9am-7pm
  • Wed: 9am-7pm
  • Thu: 9am-7pm
  • Fri: 9am-7pm
  • Sat: 9am-7pm
  • Sun: 9am-7pm

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From the official website: "Meramec Caverns is the largest commercial cave in the state of Missouri. Missouri is also known as the Cave state, hosting home to more than 6,000 surveyed caves. Meramec Caverns is open year round and offers a fun, affordable vacation for all its visitors. The well-trained rangers can accommodate groups of any size."