Mountain

Mountains are large, desolate, gray or purplish brown biomes, which are covered with boulders, sparse trees and lots of cliffs and caves. The peaks are covered in snow. Edelweiß and Frog's Crown may be found on any of these terrains, as well as different types of stone in quality nodes, found by digging.
Mountains are immune to most landscaping options, but they can be paved.
If you dig on mountain terrain, you collect stones. This will not lower the terrain. When you dig up a stone above quality 10, then a stone node is nearby. The type of stone is whatever type is closest to it in the cave layer below (ores and coal are excluded).