casiri is located in the tarata province of the tacna region of peru; it lies about northeast from the city of tacna and close to the border with chile and bolivia. the volcano is situated north of the town of paucarani; other human structures in the area south of casiri are calachata and tulipiña. there are also numerous roads in the area, including one which runs south of the volcano and reaches the capaja camp to its west. the town of paucarani can be reached from the highway that connects tacna with charaña in bolivia and villa industrial in chile, through a secondary road. a rain gauge of the was active there at elevation from 1946 to 2003.