LakeChinancocha,[5] (possibly from Quechuachina female, -n a suffix, qucha lake,[6] "female lake") lies at an altitude of 3,850 metres (12,631 ft).[5] It is situated southwest of Lake Orconcocha.
Orconcocha
Lake Orconcocha[5] (possibly from Quechuaurqu male / mountain,[7] "male lake") lies about 1 km away from Chinancocha at the end of the Llanganuco valley.[1][5]
1970 Earthquake
An extensive earthquake in 1970 caused an avalanche which created a third smaller lake between the two main lakes.[8] Tragically a group of Czechoslovak professional climbers camping between the two lakes were killed.
^ abpirineos3000.com Map of the area showing "Chinancocha" and "Orgoncocha"
^According to Francisco Calderón Quillatupa "Diccionario ideológico runasimi" (2009) it derives from the Quechua words llanka 'fine color' and uku inside, depth.
^escale.minedu.gob.pe - UGEL map of the Tarma Province (Ancash Region)
^ abcd"Laguna de Llanganuco". Inventario Turistico del Peru (in Spanish). MINCETUR. Retrieved 24 January 2016.
^Teofilo Laime Acopa, Diccionario Bilingüe, Iskay simipi yuyay k'ancha, Quechua – Castellano, Castellano – Quechua: china - adj. y s. Hembra. Animal del sexo femenino.qucha, qhucha. s. Lago. Gran masa de agua en una depresión.
^Teofilo Laime Acopa, Diccionario Bilingüe, Iskay simipi yuyay k'ancha, Quechua – Castellano, Castellano – Quechua: urqu - s. Cerro.urqu, s. y adj. Macho. Ser del sexo masculino