Dartmouth and Cornell came to mind immediately.
As you like the cold:
You might look at Carleton and St Olaf, both in a rural town in Minnesota about an hour from the Twin Cities. Pretty campuses and lots of cross country skiing. Mountains, not so much, it’s pretty flat. St Olaf is less competitive for admissions if you’re looking for some matches (ranked about #60) and is a kind place with astoundingly good music.
You also might look at Kenyon (Gambier, OH) as you are a writer and there are scholarships specifically for writing and a well-regarded literary magazine is published there. The dining hall there is like a cathedral with stained glass, but in homage to literary figures instead of religious one.
As already mentioned, Vassar has a beautiful architecturally cohesive campus, a quite good art museum, and an amazing library.