Castillo de Gorioj o Tucumachay (Quechua Tucumachay cougar, Cueva de Buho,[1] -q a suffix, Ancash Quechua hirka mountain,[2] "Cueva de Buho" (Tucumachay, or Tucumachay in good Quechua), hispanicized spelling Tucumachay) is an archaeological site in Peru.

It is situated in the Huánuco Region, Huamalíes Province, Miraflores District, at a height of about 3,696 metres (12,126 ft).

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