Mt. Everest is an 'amateur' climb compared to these other peaks, according to a professional mountaineer

Professional mountaineer Garrett Madison (left) has summited Mt. Everest (right) 14 times. Even though it's the tallest mountain he's climbed, it's not the most difficult, he says.

Garrett Madison, Zzvet/Getty Images

• Mt. Everest is the world's tallest peak. But some mountaineers, like Garrett Madison, say it isn't the hardest to climb.
• Hundreds of people summit Mt. Everest each year, and you don't need to be an expert to do it.
• Madison says Mt. Everest is an "amateur" climb compared to harder peaks like K2 and Mt.