alt Hacker News> 12-15K feet just isn’t that high in the scheme of things. Many peaks in the western US are in that range or more.
It's "not that high", but people frequently do get AMS at those attitudes or even lower.
Replies
ghaff • today at 5:51 PM
I can’t provide cites but I understand people have had issues flying into Denver.
There's a big difference between doing a day trip to those altitudes which is normally ok, and sleeping that high which causes problems if not acclimatised.