The peak now known as Lingtren is actually part of a complex formation extending to the north into the West Rongbuk Glacier (see 1921 expedition map). The northern section, at the junction of the west and main Rongbuk glaciers, is now generally called Guangming Peak () and has an elevation of . The name Lingtren now only refers to the highest summit, which is immediately to the north of the Khumbu Glacier.