User blog comment:Carpe Diem Boys/Kanohi Locations...?/@comment-1777499-20110617184842

I remember Kopaka's Hau was on the top of Mount Ihu, and his Pakari was on the islet surrounded by lava, in Ta-Wahi, that Master Lewa mentioned.

Where they found the others might be somewhere on the Toa Mata's individual pages.