Mont Brequin, Alpine summit in Savoie, France.

Mont Brequin is a summit of the Vanoise Massif in Savoie, rising to 3,134 metres between Les Belleville, Saint-Michel-de-Maurienne and Orelle. It marks the southern limit of the Belleville valley, separating it from the Maurienne valley, with the Cime de Caron to the east, the Mont du Chat to the west and the Aiguille de Bertin to the south-east. Its slopes are built of conglomerates, micaceous sandstone and arkose, shales and anthracite coal dating from the Westphalian to the lower Stephanian.

Mont Brequin lies at the southern limit of the Belleville valley, separating it from the Maurienne valley, between the Caron peak to the east, the Mont du Chat to the west and the Aiguille de Bertin to the south-east. Its summit, at 3,134 m according to French sources and 3,130 m in English ones, is made of conglomerates, micaceous sandstones and arkoses, shales and anthracite coal dating from the Westphalian to the Lower Stephanian. Adolphe Gros saw the name Bréquin, or Brequin, as a variant of Berquin, referring to an owner of neighbouring land.

The name Bréquin, or Brequin, is read by Adolphe Gros as a variant of Berquin, referring to a landowner whose property bordered the summit. The peak marks the southern limit of the Belleville valley, separating it from the Maurienne valley, and stands between the cime de Caron to the east, the mont du Chat to the west and the aiguille de Bertin to the south-east.

The best climbing season runs from June through October when snow and ice are minimal and daylight is longest. Visitors need proper Alpine gear including crampons and rope, as the terrain demands technical skill.

Mont Brequin marks the southern limit of the Belleville valley, separating it from the Maurienne valley. It stands between the Cime de Caron to the east, the Mont du Chat to the west and the Aiguille de Bertin to the south-east. Its slopes are built of conglomerates, micaceous sandstone and arkose, schists and anthracite coal dating from the Westphalian to lower Stephanian.