If you look at their website, you can see a full list of charges. I think for 2 people it's about $3, 3 to 5 people is $5 and it goes up for more than 5 - price includes parking. You also have to pay of you want to rent a tube - there's a place about 200yds along the road which is $7 a tube.
Yes
Hi. Only for get in to the park. Tickets are very cheap.
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