Cascade Peaks

The Cascade Peaks are three summits in the Monte Perdido Range of the Pyrenees, culminating at 3161 m on the eastern peak. The central peak, known as Brulle, and the western peak are 3106 m and 3095 m high, respectively. The peaks are located on the 3,000 m French-Spanish borderline crest.

Toponymy
The central summit was named in honor of Henri Brulle.

Geography
The peaks are part of the Monte Perdido Range above the Cirque de Gavarnie. The peaks are located in the Hautes-Pyrénées department, in the Midi-Pyrénées region of France, and in Huesca province, in the Aragon region of Spain.

Geology
The summit is composed of massive algae sediments, miliolitic sediments (eolianite) and sandstone sediments from the Eocene and Oligocene periods.