Not really, you got your regular cave tour it's like 30 through an hour. Then your actual cave exploring. The cave exploring is four hours long, alot of crawling through rocks there are different difficulties and they will tell you in advance. Some places you got to walk and even waddle through water. I went like a month ago and would definitely go again. Got to even see all the wildlife of the cave. If you have sensitive knees bring knee pads, also might be a good idea to bring a change of clothes
Yes. Parts of it can be. I am over weight. I did it, however the CO2 is high in the cave and it does become hard to breath, especially since you have to wear a mask. It freaked me out a bit at one point because it was hard for me to catch my breath.
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