Chilcayoc (possibly from Quechua ch'illka baccharis,[1] -yuq a suffix to indicate possession, "the one that has got baccharis" or "the one with baccharis") is a volcano in the Andes of Peru, about 3,347 metres (10,981 ft) high.

[2] It is situated in the "Valley of the Volcanoes" in the Arequipa Region, Castilla Province, Andagua District.

[3] Chilcayoc lies west of the Chachas Lake and north of the volcano Jechapita.

South-east of Chilcayoc and Jechapita there is another volcano named Chilcayoc Grande which is 3,243 metres (10,640 ft) high.

This Arequipa Region geography article is a stub.