Snow and Trees

In addition to my NaNoNovel, I'm working on the third Kyndred book, and one major obstacle I have with this one is the setting for one of the early chapters of the novel: snow and trees, trees and snow. There are mountains (background) a road (lost early on) and one cargo truck (ditto) but that's about it. During the length of one chapter I have to move my characters through a setting in which there are no other people, vehicles, houses, towns or any sign of civilization.

This is the sort of p...