The camps where people sleep are marked approximately. Here's an example acclimatization schedule from one expedition company: http://www.mounteverest.net/expg

The camps where people sleep are marked approximately. Here's an example acclimatization schedule from one expedition company: http://www.mounteverest.net/expguide/accli.htm http://www.mounteverest.net/expguide/accli.htm The schedule doesn't mention camp 4 because you ideally only stay there the night before a summit attempt.