Right at the mountain or there are a few places nearby.
Kaatskill Mt Club is convenient, check out local eateries.
Kaatskill Mountain Club resort and spa is right at the mountain and very nice
Vrbo and airbnb has lots of options!
Katterskill hotel is right on the mountain. Indoor /outdoor pool. Restaurant on premise. Reasonably priced
You should check their website, I believe there are a few cabins for guests not so far from the main attraction.
Thanks! Your answer is awaiting moderation.