Mataqucha (Quechua mata united, qucha lake,Diccionario Quechua - Español - Quechua, Academía Mayor de la Lengua Quechua, Gobierno Regional Cusco, Cusco 2005 (Quechua-Spanish dictionary) "united lake", Hispanicized spellings Matacocha, Matacochas) is a mountain in the Andes of Peru, about high, at a small lake of the same name. The mountain is located in the Lima Region, Cajatambo Province, Gorgor District, in the Huaura Province, Ambar District, and in the Oyón Province, Caujul District. It lies southeast of Wathiyaqucha and Puka Parya.
The mountain is named after a little lake south and east of the mountain. It is situated in the Caujul District at .
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