No notice that the waterpark is closed during the week during the off-season. Is there an indoor pool and hot tub other than in the waterpark?
Yes. They have an indoor and outdoor pool at the hotel.
As far as I know, there still is an indoor pool and hot tub (other than in the waterpark). I would call the hotel to check that it's for sure open.
Yes. There’s an indoor pool close to the main building by the restaurant
Get an answer from Arrowwood Resort & Conference Center staff and past guests.