page_title: Pirhuane (mountain)
hierarchical_section_title: Pirhuane (mountain)
caption_attribution_description: English: True-colour image of Ubinas volcano. As a result of its frequent activity, the steeply sloped peak is coated with lava. A canyon on the southern slope is evidence of a collapse in the volcano’s past. A small circular caldera crowns the volcano. A little more than a kilometre across, the caldera is defined by walls that range from 80 to 300 meters high. Dark-coloured ash and tiny volcanic rocks (lapilli) carpet the crater floor. An ash cone rises from the centre of the crater, casting a dark triangular shadow. Within the shadow of the ash cone lies a white, funnel-shaped inner crater that is 200 meters deep.
context_page_description: Pirhuane is a 4,994-metre-high mountain in the Moquegua Region in the Andes of Peru. It is situated in the General Sánchez Cerro Province, Ubinas District. Pirwani is situated northeast of the active volcano Ubinas. Like the mountains south of Pirhuane, Pacoorcco and Huitoni, Pirhuane lies on the eastern border of the buffer zone of the Salinas and Aguada Blanca National Reservation.
context_section_description: Pirhuane (possibly from Aymara pirwa, piwra granary, -ni a suffix to indicate ownership, "the one with a granary") is a 4,994-metre-high (16,385 ft) mountain in the Moquegua Region in the Andes of Peru. It is situated in the General Sánchez Cerro Province, Ubinas District. Pirwani is situated northeast of the active volcano Ubinas. Like the mountains south of Pirhuane, Pacoorcco and Huitoni, Pirhuane lies on the eastern border of the buffer zone of the Salinas and Aguada Blanca National Reservation.
caption: Satellite image of the volcano Ubinas (on the left), Pacoorcco (the light-colored complex northeast of it) and Pirhuane (north of Pacoorcco)
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