Originally posted by jonnin:

I think some maps had the spawns move around. did you find the marker recently, since the patch? It may even update if you revisit the stone to reveal the site (I have not tried this)
- all bosses have many spawn sites, usually at least 3-5
- you can try your map in the online viewer if you want to avoid a long search for the next mountain

I'm not sure if the map is up to date yet.
But a while back it would show the wrong thinkgs