The four main ridges separating the four faces are the main climbing routes. The least difficult technical climb and the usual climbing route, the Hörnli ridge (Hörnligrat), lies between the east and north faces and is aligned towards the Oberrothorn above Zermatt. To its west lies the Zmutt ridge (Zmuttgrat), between the north and west faces and aligned towards the Wandfluehorn; this is, according to Collomb, the classic route up the mountain, its longest ridge, also the most disjointed. The Lion ridge (Cresta del Leone / Arête du lion), lying between the south and west faces and aligned towards the Dent d'Hérens is the Italian normal route and goes across Pic Tyndall; Collomb comments, A superb rock ridge, the shortest on the mountain, now draped with many fixed ropes, but a far superior climb compared with the Hörnli. Finally the south side is separated from the east side by the Furggen ridge (Furggengrat), which is aligned towards the Klein Matterhorn. It is, according to Collomb, the hardest of the ridges [...] the ridge still has an awesome reputation but is not too difficult in good conditions by the indirect finish.