int rodu ced . ▁ ▁High est ▁Point ▁of ▁the ▁Sil vre tta ▁high ▁al pine ▁road ▁ ▁As ▁part ▁of ▁the ▁construction ▁of ▁the ▁power ▁plant , ▁the ▁Sil vre tta ▁high ▁al pen ▁road ▁was ▁built ▁in ▁ 1 9 5 3 ▁between ▁Part enen ▁and ▁G alt ür . ▁Its ▁route ▁runs ▁above ▁the ▁original ▁high ▁point ▁of ▁the ▁pass ▁which ▁is ▁now ▁blocked ▁by ▁the ▁res er voir . ▁Origin ally ▁only ▁intended ▁to ▁be ▁a ▁construction ▁road , ▁it ▁is ▁now ▁a ▁to ll ▁section ▁of ▁the ▁B / L ▁ 1 8 8 ▁Paz n auer straße / Mont af on er ▁Straße ▁which ▁links ▁P ians ▁with ▁Bl ud enz , ▁and ▁is ▁in ▁demand ▁as ▁a ▁tour ist ▁route ▁even ▁if ▁it ▁is ▁un important ▁for ▁trans it ▁traffic . ▁ ▁On ▁the ▁western ▁s lop es ▁the ▁road ▁r ises ▁by ▁ 7 0 0 ▁metres ▁over ▁a ▁linear ▁distance ▁of ▁just ▁three ▁kilom eters ▁to ▁reach ▁the ▁Verm unt ▁res er voir . ▁This ▁is ▁achieved ▁thanks ▁to ▁more ▁than ▁ 2 5 ▁hair pin ▁b ends ▁which ▁extend ▁the ▁road ▁to ▁a ▁length ▁of ▁nine ▁kilom eters ▁thereby ▁reducing ▁the ▁gradient . ▁From ▁the ▁Verm unt ▁res er voir ▁dam , ▁and ▁with ▁fewer ▁hair p ins , ▁the ▁highest ▁point ▁of ▁the ▁pass ▁is ▁relatively ▁easily ▁to ▁reach . ▁In ▁contrast , ▁the ▁eastern ▁s lop es ▁could ▁be ▁built ▁without ▁hair pin ▁b ends ▁and ▁so ▁the ▁road ▁is ▁significantly