▁mountains ▁further ▁north ▁also ▁form ▁small ▁ch ains . ▁ ▁The ▁central ▁part ▁of ▁the ▁T ann heim ▁group ▁is ▁made ▁of ▁W etter stein ▁lim estone , ▁a ▁re ef ▁lim estone . ▁This ▁accounts ▁for ▁the ▁isolated ▁location ▁of ▁these ▁mountains ▁which ▁are ▁not ▁top ograph ically ▁connected ▁to ▁the ▁main ▁chain ▁of ▁the ▁All g äu ▁Al ps . ▁Within ▁the ▁T ann heim ▁group ▁there ▁is ▁a ▁local ▁main ▁r idge ▁between ▁A gg en stein ▁and ▁H ah nen k amm . ▁The ▁mountains ▁to ▁the ▁east ▁and ▁north ▁of ▁it ▁are ▁individual ▁mountain ▁mass ifs . ▁ ▁Sub groups ▁▁ ▁The ▁older , ▁out ▁of ▁print ▁ed itions ▁of ▁the ▁Al pine ▁Club ▁Guide ▁for ▁the ▁All g äu ▁Al ps ▁divide ▁the ▁range ▁into ▁the ▁Main ▁Ch ain ▁of ▁the ▁All g äu ▁( All g ä uer ▁Haupt k amm ) ▁and ▁the ▁Side ▁R id ges ▁and ▁Other ▁Gr oups ▁( Se iten k äm me ▁und ▁ü br ige ▁Gru ppen ). ▁ ▁The ▁Main ▁Ch ain ▁of ▁the ▁All g äu ▁is ▁divided ▁into ▁eight ▁sub groups : ▁the ▁R appen ▁Al ps , ▁the ▁Hoch licht ▁Group , ▁Pe isch el ▁Group , ▁M ä de leg abel ▁Group , ▁K rott ens pit ze ▁Group , ▁Wild en ▁Group , ▁Hoch v og el ▁Group ▁and ▁R au h horn ▁R idge ▁( R au h horn zug ). ▁ ▁The ▁Side ▁R id ges ▁and ▁Other ▁Gr oups ▁compr