ers ▁belong ▁to ▁the ▁T au po ▁Vol can ic ▁Zone : ▁Rot or ua , ▁Ok at ain a , ▁Mar oa , ▁T au po , ▁T ong ari ro ▁and ▁Mang ak ino . ▁It ▁includes ▁Mang ak ino ▁vol cano , ▁Re por oa ▁Cal der a , ▁Mount ▁T ara wer a , ▁Mount ▁R ua pe hu , ▁Mount ▁T ong ari ro ▁and ▁White ▁Island . ▁ ▁The ▁T au po ▁Vol can ic ▁Zone ▁forms ▁a ▁southern ▁portion ▁of ▁the ▁active ▁Lau - H av re - T au po ▁back - arc ▁bas in , ▁which ▁lies ▁behind ▁the ▁Ker ma dec - T ong a ▁sub du ction ▁zone ▁( H ik ur ang i ▁Tr ough ▁– ▁Ker ma dec ▁T rench ▁– ▁T ong a ▁T rench ). ▁Some ▁la kes ▁in ▁the ▁area : ▁T au po , ▁Rot or ua , ▁Rot om ah ana , ▁and ▁R ere wh aka ait u . ▁Lake ▁Ok at ain a , ▁Lake ▁T ara wer a , ▁Lake ▁Rot ok ak ah i ▁( Green ▁Lake ), ▁Lake ▁T ik it ap u ▁( Blue ▁Lake ), ▁Lake ▁Ok are ka , ▁and ▁Lake ▁R oto iti ▁lie ▁within ▁the ▁Ok at ain a ▁Cal der a . ▁T au po ▁Vol can ic ▁Zone , ▁the ▁Mang ak ino ▁Vol can ic ▁Center ▁is ▁the ▁western most ▁and ▁oldest ▁r hy olit ic ▁cal der a ▁vol cano ▁in