 In the far west, it branches at the Hornbachspitze and a side ridge runs southwards in which the most important peak of the whole chain, the Großer Krottenkopf (2,656 m) is located.The mountain is also the highest in the whole of the Allgäu Alps.In the west the range is bounded along this side branch by a line that reaches from Holzgau in the south, runs along the Höhenbachtal and Rossgumpental valleys to the Öfnerkar in the north.