The walk through the back caverns was pretty easy with a well paved and fairly level trail. It was cool but I brought my coat. I also brought a bottle of water which I was thankful for. I had picked up a trail guide device in the gift shop which told me all about the caverns every step of the way. It was well worth the rental cost. This part of the caverns is a great tour for families with kids and seniors. I also think it is the most beautiful part. It takes a couple hours to walk it and really enjoy it. Afterward, I ate lunch in their restaurant above. It was average. They only serve Mexican food but it was okay. After perusing their museum displays and gift shop, I headed down the steep path to the main cave entrance to watch the bats fly out during the evening program. Thousands of them swooped out over us and flew off for night hunting. You definitely want to stay to see that.
I decided to go back another day and try the front part of the caverns through the main entrance. I can tell you now that it is best for younger people. The trail all the way through to the lunch area in the bottom of the caverns is very steep. Take a hiking stick and plenty of water. It also takes more time and frankly I didn’t think the views were as lovely. I had to stop and rest several times but thank goodness they provide plenty of seating. You won’t see the bats in there as they actually sleep in a different area that is off-limits to tourists. If you take your camera on either tour, be sure to set it to manual and adjust the settings for darkness. There is plenty of lighting in the caverns for people but it is too dark to get decent pictures in auto mode. I don’t recommend trying to do the entire cavern in one day. That front part wears you out. Most of it is descending from the main entrance but you have to fight the steepness the whole way.
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