Between and hour and an hour and a half.
Over a hour
The tours are almost an hour and well worth the price. It's a better deal to go with the combo and take both tours. You won't be disappointed.
Almost a hour , includes guide tour.
Yes 17 for everything, took us about 45 min to an hour depending on the size of the group.
The Natural Wonder tour takes about an hour. The Historic tour lasts approximately 45 minutes.
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