Cascade Peaks
{{Short description|Three mountain summits in the Pyrenees}}
{{About|the peaks in the Pyrenees|the North American mountain range|Cascade Range}}
{{Infobox mountain
| name=Cascade Peaks
| photo=Brèche004.jpg
| photo_caption=looking south:
the eastern, central and western Cascade peaks
(second, third and fourth from left respectively)
| elevation =3095, 3106, 3095
| elevation_ref=Géoportail ([http://www.geoportail.fr/visu2D.do?ter=metropole site en ligne])
| prominence_m =
| prominence_ref=
| range=Pyrenees
| parent_peak =
| listing = List of Pyrenean three-thousanders
| map = Pyrenees
| map_caption = Location in the Pyrenees
| coordinates = {{coord|42|41|12|N|0|00|08|E|type:mountain_scale:100000|format=dms|display=inline,title}}
| coordinates_ref=
| region=Midi-Pyrénées
Aragon
| region_type=Région
Communauté
| district=Hautes-Pyrénées
Huesca
| district_type=Département
Province
| age=Sélandien-Thanétien pour les rochesSource : cartes géologiques à l'échelle 1:50000 du Bureau de recherches géologiques et minières ([http://infoterre.brgm.fr/viewer/MainTileForward.do site en ligne]).
| geology=calcaires massifs à algues, calcaires à milioles, calcaires grèseux
| type=
| first_ascent =
| easiest_route =
}}
The Cascade Peaks ({{langx|oc|Pécs de Cascada}}) are three summits in the Monte Perdido Range of the Pyrenees, culminating at {{Convert|3161|m|abbr=on}} on the eastern peak. The central peak, known as Brulle, and the western peak are {{Convert|3106|m|abbr=on}}[http://www.geoportail.fr/visu2D.do?ter=metropole Géoportail] and {{Convert|3095|m|abbr=on}} 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.{{Cite web|title=Geologic map @ 42.686667, 0.002222 |publisher=Bureau des recherches géologiques et minières |url=http://infoterre.brgm.fr/viewer/MainTileForward.do }}