Having already played enough in Alaska, climbing blogger Szu-ting has announced a trip to the highest mountain outside Asia over New Year’s Eve.
… its elevation is 22,841 feet (6,962 m). My biggest worry is therefore altitude sickness. Right now I can still remember the tears I dropped on Denali; I had to turn around from the summit at 19,400 feet because my body couldn’t receive well executed commands from an oxygen-deprived brain. Aconcagua is higher than Denali and much higher. I know that Denali might have higher physiological altitude, due to its higher latitude (see reference 1) and I know that previous high attitude experience does not necessarily imply how my body will react upon my next encounter; however, every time I think about this climb, I can’t help but keep telling myself “remember to drink water, breathe more, and you can always turn around.†…
larger size – flickr – winkyintheuk
She’s NOT planning to descend with the 2700m south face in 5min on skis with parachute like this guy.
I’d much rather hike Aconcagua.
besthike.com 
All the best to her.