Paid $8 per person last month. Advance reservations were required.
$8 per person for a day pass. not sure about the overnight rates.
Just did the Summit trail last month and it was beautiful...Definitely worth it. You have to make a reservation, at least that is what we were told. Prices do vary but the site is easy to navigate like Helena mentioned. Definitely worth it.
The prices vary. They have different activity packages. I do not want to give you the wrong information, my suggestion would be to check their website. Its easy to navigate and tickets/reservations can be bought/booked on their site. The place is beautiful and worth the effort.
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