▁the ▁boundary ▁with ▁the ▁Da umen ▁Group . ▁The ▁surrounding ▁valle ys ▁are ▁those ▁of ▁the ▁J och bach , ▁Horn bach , ▁Le ch , ▁Schwar zw asser ▁and ▁B är g ünd le . ▁The ▁subgroup ▁is ▁formed ▁pre domin antly ▁of ▁main ▁dol om ite . ▁Its ▁highest ▁peak ▁is ▁the ▁Hoch v og el , ▁ 2 , 5 9 2   m ▁which ▁is ▁also ▁considered ▁the ▁most ▁attract ively ▁sh aped ▁mountain ▁in ▁the ▁All g äu ▁Al ps , ▁especially ▁when ▁seen ▁from ▁the ▁north . ▁The ▁Hoch v og el , ▁with ▁its ▁main ▁base , ▁the ▁Prin z ▁L uit p old ▁Haus , ▁is ▁also ▁the ▁most ▁clim bed ▁mountain ▁in ▁this ▁sub - range ▁by ▁a ▁long ▁ch alk . ▁All ▁other ▁pe aks ▁in ▁the ▁surrounding ▁area ▁are ▁consider ably ▁lower ▁and ▁much ▁less ▁popular . ▁In ▁hardly ▁any ▁other ▁subgroup ▁is ▁the ▁contrast ▁between ▁mass ▁tour ism ▁and ▁absolute ▁tran qu ility ▁so ▁marked . ▁Only ▁a ▁few ▁kilometres ▁from ▁the ▁Hoch v og el ▁are ▁the ▁summ its ▁of ▁the ▁Ross z ahn ▁Group ▁which ▁scarcely ▁receive ▁any ▁visitors . ▁ ▁R au h horn ▁r idge ▁ ▁The ▁R au h horn ▁r idge ▁is ▁the ▁eastern ▁sp ur ▁of ▁the ▁All g äu ▁main ▁chain ▁east ▁of ▁Bad ▁H ind el ang . ▁With ▁its ▁numerous ▁summ its ▁the ▁mountain ▁r idge ▁runs ▁roughly ▁from ▁south ▁to ▁north . ▁Its ▁western ▁s lop es ▁rise ▁above ▁the