Gsteig bei Gstaad is a municipality in the Obersimmental-Saanen administrative district in the Canton of Bern in Switzerland . Gsteig was formerly known by the French name of Châtelet.

Gsteig is first mentioned in 1312 as Chastelet. In 1453, it was mentioned as Steig.

The villages of Gsteig and Feutersoey grew up along the roads over the Col du Pillon and the Sanetsch Pass . During the Middle Ages, a castle was built in the valley to protect and control the passes.