Valle del Lys

Gressoney-la-Trinité - Colle Bettaforca

EHikerTrail S24Summer
Gressoney-la-Trinité - Colle Bettaforca

Map & route

GPX track — verify on the ground before hiking

TrailS24Description

Fitness level

One of the classic Gressoney hikes: from the basin of Gressoney-La-Trinité you climb at a steady gradient towards the Colle della Bettaforca (2,672 m), a grassy pass linking the Lys valley with the Ayas valley. The trail crosses the high alps of Ciaval and Bettlatz, still grazed in summer, while behind you the view widens over the Lys glaciers and the Lyskamm wall. From the pass, overlooked by the Monterosa Ski lifts, the eye ranges over Castor and the four-thousanders: it is the busiest pass on the Monte Rosa hiking circuit and a crossroads of shepherds for centuries.

Earth sciences

Geology & landscape

Geologically this is the heart of the Monte Rosa nappe: gneisses and granites of European continental crust, wrapped in the greenstones (serpentinites and prasinites) of the ancient Alpine ocean, today shaped by the Lys glaciers.

History & culture

The valley is home to the Walser, Alemannic settlers who came down from Valais in the 13th century over the glacier passes of Monte Rosa: in Gressoney the Töitschu language, the timber-and-stone houses (stadel) and the German place names that dot the mountain still survive.

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Photo gallery

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ACurated and verified by Andrea Rama

Data source: Catasto Sentieri Regione Autonoma VdA · Open data — DGR 899/2014

Last verified: