From Prou on a seemingly horizontal trail, which is actually going up and down, hike north-westward to Stabiói (2020 m), where we take the upper trail to continue to Lavill (2023 m). Here again we choose the upper trail, which leads on the sheep pastures of Grüssett and through some creekbeds to the knoll of Alpe Pièi (2246 m).

From Alpe Pièi we follow the creek until 2300 m, cross it there and go eastward to reach a terrace with several distinct cairns. Go up the valley past the eastern edge of the scree front. It pays off to search for grassy patches in the occasionally tiresome scree (there are more of these patches than the map makes you believe). Now into the little valley, which comes down from the saddle between Cima di Gana Bianca and P. 2820. Ascend in this valley, and further up hike over more open scree slopes with rocky steps built in to the aforementioned saddle at about 2780 m. Now on the easy south-east block ridge it‘s ten minutes to the summit of Cima di Gana Bianca (2843 m). From the summit of Cima di Gana Bianca go back to the saddle. Now descend exactly eastward following the markings on very stony terrain (some would even call it a stone desert). A steep couloir requires some caution; here and there you need the help of your hands. From about 2600 m the terrain becomes easier, but it is still made of blocks and coarse scree. As soon as you bypass the last, distinct rocky outcrop, turn north-eastward. On open terrain traverse Gane di Terra Rossa to finally reach pastures briefly before P. 2345. Descend to Laghetto dei Corti (2181 m).

From Laghetto dei Corti the marked «Sentiero degli Alpi» leads down to Alpe di Quarnei (2046 m). There we cross the Orino on a bridge, and going southward in open pastures we reach Capanna Quarnei (2109 m) at its splendid location.