Waipa River
The Waipa River is in the Waikato region of the North Island of New Zealand . 
<triplet> Waipa River <subj> Waikato <obj> located in the administrative territorial entity <triplet> Waikato <subj> New Zealand <obj> country <triplet> North Island <subj> New Zealand <obj> country <triplet> New Zealand <subj> Waikato <obj> contains administrative territorial entity