Does Senior go in the water park free

No nothings free here

Do they have cabins

Included in yiur stay as long as you are on thw guest list for your room(s).

If you are a registered guest then yes. It is included with your stay.

You would have to call. But if your booked a room--they'll ask how many guests that are adults and children are in your party. It's already included with the room. If your going just for the day--I would call ahead. That's my understanding of how it works

The park in not free. You must register at the front desk as a hotel member and receive your wrist band

All entry to the water park must be a registered guest of the lodge, wristbands are given at check in.

No entry to the park is not free. To enter you have be a registered guest at the lodge.

Yes if they are 1 of the registered guests of the hotel room