$0 to get into the park itself, but all tours are guided. $5 adults, $4 student, senior, military, educator (with IDs), $3 Children (Pre-K through 6th). Kids 3 & Under Are Free.
We had a nice time. Guide a very knowledgeable.
In addition to the below answers, if you want to go inside the preservation site where the fossils are, you have to take the tour. Which as others said is $5/adult
$5 per adult. $3 for children.
Sara's correct. Well worth the price!
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