It's new to me, and I've been lookign all day for something larger! Good find!
Yeah, it's definitely not a town then. It looks like we've got a Death Mountain-esque volcano on the right and an ice-ridge on the left with standard rock mountains underneath.
Also, that's DEFINITELY not a...
It looks too oddly alone to be a part of a main spire of the new Hyrule Castle. It's almost more like a lookout post or something similar due to the larger top portion. It also appears to be at least behind what could be houses, but in front of the mountain range. So, it's extremely tall...