多芬阿爾卑斯山脈
The Buëch () is a river in southeastern France, a right tributary of the Durance. It is long. Its drainage basin is . Its source is in the Dauphiné Alps, near the peak of Grand Ferrand. It flows generally southward for most of its course in the Hautes-Alpes département, and flows into the Durance at Sisteron.