Sass Rigais is a mountain of the northwestern Dolomites in South Tyrol beyond the small village of St. Magdalena , northern Italy. Sass Rigais sits in the Odle mountains (aka Geislergruppe in German, also Geisler) of the Dolomites, in a center of Puez-Odle Nature Park.

It is the highest peak in the Odle mountains, standing exactly as high as its neighbor, Mt. Furchetta (3,025 m)

Sass Rigais offers hikers one of few Dolomites' three-thousanders the entire crossing from one side of the mountain to the other.