The southeast wall of the arête is the head of the cirque above Abyss Lake, while its northwest wall is the cirque at the head of a valley above Guanella Pass. The northeast end of the sawtooth joins directly to the shoulder of Mount Spalding, from which a second (and slightly less abrupt) arête leads southeast to Mount Blue Sky.
The southeast wall of the ridge forms the summit of the cirque above Abyss Lake, while its northwest wall is the cirque at the head of a valley above Guanella Pass. The northeast end of the ridge connects directly to the shoulder of Mount Spalding, from which a second (and less steep) ridge leads southeast to Mount Blue Sky.