▁Halle ▁( Sa ale ) ▁and ▁even ▁Leipzig . ▁Its ▁water ▁quality ▁is ▁particularly ▁good ; ▁water ▁hard ness ▁aver ages ▁ 3 ° ▁on ▁the ▁German ▁hard ness ▁scale . ▁So ▁the ▁water ▁is ▁ideal ▁for ▁use ▁for ▁steam ▁generation ▁and ▁was hing . ▁The ▁res er voir ▁also ▁cont ributes ▁to ▁generation ▁of ▁hydro - elect ric ▁power ▁to ▁a ▁small ▁extent . ▁ ▁Rot este in ▁ ▁There ▁is ▁a ▁view ing ▁point ▁on ▁the ▁Rot este in ▁with ▁information ▁bo ards ▁about ▁the ▁res er voir ▁and ▁the ▁surrounding ▁area . ▁Rot este in ▁means ▁" red ▁rock ", ▁the ▁name ▁being ▁derived ▁from ▁the ▁colour ▁of ▁the ▁di abase ▁material ▁of ▁which ▁it ▁is ▁composed . ▁Before ▁the ▁res er voir ▁was ▁created , ▁these ▁rocks ▁domin ated ▁the ▁old ▁route ▁between ▁Hass elf elde ▁and ▁R ü bel and ▁where ▁it ▁crossed ▁the ▁R app b ode ▁on ▁a ▁stone ▁bridge ▁that ▁is ▁now ▁d rown ed ▁by ▁the ▁res er voir . ▁The ▁Rot este in ▁is ▁check point ▁ 5 4 ▁in ▁the ▁Har zer ▁W and ern adel ▁h ik ing ▁network . ▁It ▁may ▁be ▁reached ▁on ▁foot ▁from ▁the ▁car ▁park ▁on ▁the ▁B ▁ 8 1 , ▁around ▁ 8 0 0 ▁metres ▁SE . ▁ ▁R app b ode b lick ▁ ▁There ▁is ▁another ▁good , ▁but ▁more ▁remote ▁view ing ▁point ▁on ▁cl iffs ▁over looking ▁the ▁res er voir ▁at ▁R app b ode b lick ▁about