Our well trained guides will accompany you through the beautiful caverns on an easy walking tour. The tour typically lasts approximately 45-60 minutes and is approximately a half mile in length. The pathways are a combination of concrete and gravel and there are 27 stair-steps to reach the lower regions and 26 on the way back up. The temperature underground averages to about 54 degrees Fahrenheit. Tours depart every hour and half hour.