Laelkhunter
WKR
He definitely needs to get "up there" as early as possible to try to acclimate. If he takes it easy and doesn't overdo it, he might be ok. Make sure you know the signs of HAPE and you move him to lower elevations before it is too late when the symptoms appear. Medical attention could be required in severe cases. You don't want to be packing a corpse out along with everything else. It could really put a damper on your hunt.