Lys (Dora Baltea)

The Lys is a small river.

Geography

The Lys River originates from the Lys Glacier, located on the southern side of the Monte Rosa massif, at the foot of Vincent Pyramid. It flows through the Gressoney Valley, which is flanked by a road and passes through the following municipalities:

The Lys converges with the Dora Baltea as a right-bank tributary at Pont-Saint-Martin.
Its left-side tributaries include: the Avant-Cir, Glassit, Loo, Mos, Niel, Pacoulla, and Tourrison. From the right, it receives: the Rû de Nantay, Stolen, and Valbona.
The river is classified as a torrente, meaning a fast-flowing mountain stream typical of the Alps.