We took the boys up to
Mammoth Cave National Park in Kentucky today. The park is about 1 1/2 hours north of Nashville on I-65. Mammoth Cave is the world's longest known cave system, with more than 390 miles explored.
When we got to the park, we went to the visitor's center to buy tickets for our cave tour.

We picked the New Entrance Tour. Here is the description of the tour on the park's website:
A bus ride carries you to the New Entrance—opened in the 1920s, it provided a whole new way to see Mammoth Cave. Impressive pits, domes, and a few narrow openings soon give way to large passages and underground hills. Follow your guide to the Frozen Niagara formation, discovered in 1923. From Frozen Niagara to the cave exit you will pass through one of the most decorative and photographed areas of Mammoth Cave. •2 hours, ¾ mile. Tour limit: 114. Total stairs: 500, including 280 on initial descent. Elevation change: 250’. •Includes the complete Frozen Niagara Tour route and a portion of the Grand Avenue Tour route. If you have weak knees, think twice about taking this tour. •Meets at the Visitor Center. Difficulty: Moderate.We were a little nervous about how the boys would do on the tour but decided to just go for it. Rylan had taken a short nap on the drive up and I had given both boys a ton of snacks in hopes they wouldn't be too tired or hungry on the tour that began at 9:45 am. You aren't allowed to bring anything on the tour other than a camera and bottle of water (which we didn't bring because we knew we'd be carrying the kids).
We had a really small group - only about 20 other people - and two park rangers. We took a bus over to the entrance of our tour which was a man-made entrance into the cave.

There were three main sections of the tour. The first section was made by large amounts of water that entered the cave and created large pits.
When we first entered the cave, we walked through a tight, flat area that reminded me of slot canyons.

Then we went down tons of steps through a maze of pits.

Brian carried Carter down all the steps and I had Rylan. By the end my legs were shaking from trying to be so careful going down the steps. It got really narrow with rocks hanging down or sticking out in some places but neither Brian nor I smacked either kid into a rock!

It was a long way down in some areas ...

The second section of the cave was wide open rooms that were horizontal instead of vertical like the pits. These were dry and not created by water flowing or dripping down from the surface. This is what most of Mammoth Cave is.

There were a couple of large rooms where the park had set up rows of wooden benches so we could sit and listen to the park ranger tell us about the history and geology of the cave. This was the only part that was really difficult for Rylan. He didn't want to sit still and wasn't content just walking up and down one bench. He fussed a lot and I know we were a bit annoying to the other people on the tour, but I tried my best to keep him entertained. It's difficult when you can't bring any snacks or toys along to distract him!
At the second stop the ranger turned off all the lights to show us how dark it truly is in the cave. Luckily neither kid freaked out! Carter even did what the ranger suggested (wave your hand in front of your face to see if you can see it).
The majority of the 3/4 mile length of the tour was through these open horizontal rooms.
The last section of the tour was were the stalagmites and stalactites are located. These are created by small amounts of water dripping into the cave. There were two or three rooms of these.




Carter was pretty interested throughout the tour and seemed to learn a lot. It's so much fun to see him learning about all the things we enjoy doing so much.

I remembered to grab the boys NPS Passports this morning and we got them cancelled. This was only Rylan's second national park (he's also been to the Smokies). Carter's been to Big South Fork and a handful of places around San Francisco as well.

We picnicked in the park and went on a couple of really short hikes (one to see the Historic Entrance to Mammoth Cave and one to see Sand Cave). Rylan fell asleep almost immediately when we started heading out but Carter held off long enough to get a picture of him by the park sign.

We had so much fun visiting this national park that we live close to now. There are several other tours in Mammoth Cave and we hope to do another one soon.