The lower part of the Mittellegi (North-East) Ridge, this route climbs from the Ostegg hut to the Mittellegi hut. Most tricky steps are sporadically bolted, but route-finding is delicate and the rock is very poor. One 50m section of (well bolted) grade V rock climbing. 6-8 hours. Combination with Mittellegi Ridge is also known as 'Mittellegi Integral'.