This is Mohonk's 150th Anniversary. Still owned by the Quaker Smiley family, and still on Conde Nast's list of 100 best hotels in the world. Not sure I would agree with the latter (it is rustic and a bit stuffy), but it's a unique place with thousands of acres with hills, cliff, farmland, mountain lakes, etc. Great hiking trails, and challenging bouldering not to mention rock climbing. I've been going there since I was a little kid, first did the Labyrinth when I was 12.
Our hiking team is doing an Uncle Bob Memorial Hike up there this week, with a late lunch at their cookout place (there were no more reservations for brunch at the inn). I will focus on bouldering routes, but I have alternates for those who are uneasy scrambling big rocks.