On the Chilean side it is located in the Bernardo O'Higgins National Park, being its eastern side in the Chaltén Mountain Range Natural Site, which is an integral part of the park.

Previously Chile claimed the entire mountain, but after the arbitration decision of the dispute of the Desert Lagoon in 1994, the limit was defined in the hill, being recognized as a binational landmark by both countries.

[3][4] The mountain was baptized by the Salesian missionary Alberto Maria de Agostini, during one of his first explorations of the surrounding area in the summer of 1935, in honor of Pier Giorgio Frassati (1901-1925).

A religious man, he saw in mountaineering a way to strengthen his spirit and get closer to God.

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