The Cornettes de Bise (French pronunciation: [kɔʁnɛt də biz]) is a mountain in the Chablais Alps, overlooking Lake Geneva.

At 2,432 metres (7,979 feet) above sea level, it is the highest summit of the subrange running from Pas de Morgins to Lake Geneva.

The mountain is located on the border between France (west) and Switzerland (east).

Nearest localities are Miex (Valais) and La Chapelle-d'Abondance (Haute Savoie).

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