This stage leads from the Zufall hut through the upper Martelltal Valley via trail no. 150 and from there to the ruins of the former Hallsche hut, situated on the Eissee Pass. From there the route leads to the Casati hut. Attention: attempt this trail section only with glacier appropriate equipment! For these stage the company of a local alpine mountain guide is recommended. Continue down from the Casati hut* rover the steep path no. 528 to the Pizzini hut in Veltlintal Valley.