They close at 5, last tour is at 4.
Hi Allen, The last tour depends on the time of year. From March 15 to June 15, the latest you can arrive to see the caverns is 5 PM. From June 15 to Labor Day, it is 6 PM. Labor Day to October 31 it goes back to 5 PM, and November 1 to March 14 it is 4 PM. Please visit our website for additional details.
Its on their site on the admissions page. Depends on time of year and weekday or weekend
I am not sure but I don't think so? Maybe different at different times of the year
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