How long to go depends on how much you enjoy horseback / the scenery. I went for an hour and it wasn't nearly long enough. Will do the 4 hour trip next time I'm back. Prices are typically listed on their website.
Its $75 a person for 2 hrs. We had a great time. It's a nice ride. Nothing super fast or exciting. Take a flashlight so you and see in the cave you stop at.
You will get bored for 2 hours. We almost did it and were so happy we didnt. $74 an hour I think
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