Wally Berg (born 1955) is a mountaineer from the United States.
He was the first American to summit Lhotse in 1990, and he soloed Cho Oyu in 1987.
Berg Adventures offers guided mountaineering trips to the Seven Summits, and many other destinations including Tanzania, Galapagos, Ecuador, Nepal, and Kazakhstan.
[2] Berg was born in Lebanon, Missouri and lived in Hattiesburg, Mississippi, from 1965 to 1974.
His interest in climbing developed during his days on the staff of Philmont Scout Ranch near Cimarron, New Mexico in the 1970s.