Before going to the Snow Mountain, go to the left side of the map and the red circle (north end).
When you go there, you will see a small camp, three red monsters and a blue monster throwing stones at the tree house.
There are many peppers under them, and there is a wok next to them. They synthesized cold-resistant dishes with Chili mushrooms. (Near the cooking pot, ingredients must be held in the menu to have cooking options. )
cotton-padded clothes
Then eat delicious food and go to the top of the snowy mountain below (obviously the highest place). Grandpa will send you cotton-padded clothes at the top of the mountain and relax in the snowy mountain.
Ps: Looking down after finishing the clothes, there is a row of stone encirclement, but there is a gap.
Near it, you can find another stone to fill it and start new activities.