g ▁range , ▁tot alling ▁ 6 . 4   km ² ▁in ▁area , ▁belong ▁to ▁the ▁A de leg g ▁Special ▁Area ▁of ▁Conserv ation ▁Region ▁( No . ▁ 8 3 2 6 - 3 4 1 ). ▁Lar ge ▁parts ▁lie ▁in ▁the ▁protected ▁area ▁of ▁A de leg g ▁and ▁Associ ated ▁T ert i ary ▁Hill ▁For eland ▁( A de leg g ▁und ▁zu ge hör iges ▁t ert i ä res ▁H ügel vor land ) ▁( LS G ▁No . ▁ 3 1 9 4 4 1 ), ▁which ▁covers ▁ 6 8 . 1 4   km ² ▁and ▁was ▁founded ▁on ▁ 3 1   M arch ▁ 1 9 9 4 . ▁ ▁Econom y ▁and ▁tour ism ▁ ▁The ▁A de leg g ▁is ▁used ▁primarily ▁for ▁forest ry ▁and ▁tour ism . ▁In ▁the ▁Modern ▁Era , ▁but ▁possibly ▁also ▁in ▁the ▁Late ▁Middle ▁A ges , ▁there ▁were ▁various ▁glass works ▁here ; ▁one ▁that ▁may ▁still ▁be ▁visited ▁in ▁the ▁glass works ▁in ▁the ▁former ▁glass making ▁village ▁of ▁Sch mid sf el den . ▁ ▁H ik ing ▁across ▁the ▁A de leg g ▁is ▁possible ▁on ▁the ▁ 3 2 0   km ▁long ▁Black ▁Forest - Sw ab ian ▁J ura - All g äu ▁Way ▁and ▁the ▁ 1 8 5   km ▁long ▁ ▁He uber g - All g äu ▁Way . ▁There ▁are ▁also ▁winter ▁sports ▁facilities , ▁especially ▁in