This is a popular alpine climbing route which is generally considered to be severe. It's very remote, it features high exposure and is typically done between July and September. From a low point of 1.2 km to the maximum altitude of 3.3 km, the route covers 20 km, 2339 vertical metres of ascent and 2338 vertical metres of descent. You'll need bivy kit, climbing shoes and wires and friends to complete it safely.