Yes
Yes, nicely maintained bathrooms, they're open air (mostly) so just like you'd see on a campground.
Yes, you can use restroom but there are outdoor areas where people change.
Yes, not clean though since it is an outdoor area
Yes, there are restrooms with showers and there is a specific place in that restroom to change. It is located right next to where you will enter the den! Very conveniently located.
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