1846 m) is a high mountain pass in the Lepontine Alps, located between the valleys of Safiental and Domleschg in central Graubünden.

It is the deepest point on the ridge between the Lüschgrat (key col: 332 m) and Piz Beverin.

The pass is overlooked by the Glaser Grat (north) and the Hoch Büel (south).

The Glas Pass is connected from Thusis on the east side, via Tschappina.

On the west side, a trail connects Inner Glas with Safien-Platz (1,315 m).