▁new ▁hydro ther mal ▁features ▁formed ▁to ▁the ▁south - west ▁i . e . ▁Wa im angu ▁Vol can ic ▁R ift ▁Valley . ▁ ▁The ▁P ink ▁and ▁White ▁Terra ces ▁were ▁formed ▁by ▁up well ing ▁ge oth erm al ▁spr ings ▁containing ▁a ▁co ck tail ▁of ▁sil ica - s atur ated , ▁near - neut ral ▁p H ▁ch lor ide ▁water . ▁These ▁two ▁world - f am ous ▁spr ings ▁were ▁part ▁of ▁a ▁group ▁of ▁hot ▁spr ings ▁and ▁ge ys ers , ▁chief ly ▁along ▁an ▁e aster ly ▁r idge ▁named ▁P inn acle ▁R idge ▁( or ▁the ▁Ste aming ▁R anges ▁by ▁M und y ). ▁The ▁main ▁tour ist ▁attra ctions ▁included ▁Ng ah ap u , ▁Ru aki wi , ▁Te ▁T ek ap o , ▁Wa ikan apan apa , ▁What ap oh o , ▁Ng aw ana , ▁Ko ingo ▁and ▁Wh ak ae hu . ▁ ▁The ▁P ink ▁and ▁the ▁White ▁Terra ce ▁spr ings ▁were ▁around ▁ ▁apart . ▁The ▁White ▁Terra ce ▁was ▁at ▁the ▁north - east ▁end ▁of ▁Lake ▁Rot om ah ana ▁and ▁faced ▁west ▁to ▁north ▁west ▁at ▁the ▁entrance ▁to ▁the ▁K ai w aka ▁Channel . ▁Te ▁Tar ata ▁desc ended ▁to ▁the ▁lake ▁edge ▁around ▁ ▁below . ▁The ▁P ink ▁Terra ce ▁lay ▁four ▁fifth s ▁of ▁the ▁way ▁down ▁the ▁lake ▁on ▁the ▁western ▁shore , ▁facing ▁east ▁to ▁south - east .