Name Type Elevation Location Last eruption Aguas Zarcas volcanic field extinct, one hill and eight hillocks 160 metres (520 ft) to 528 metres (1,732 ft) 10°22′29″N 84°20′20″W / 10.374611°N 84.338833°W / 10.374611; -84.338833 (Aguas Zarcas volcanic field ) - Arenal dormant 1,670 metres (5,480 ft) 10°27′47″N 84°42′11″W / 10.463°N 84.703°W / 10.463; -84.703 (Arenal Volcano ) 2010 Barva dormant 2,906 metres (9,534 ft) 10°08′06″N 84°06′00″W / 10.135°N 84.10°W / 10.135; -84.10 (Barva Volcano ) 6050 BC Cacho Negro 2,150 metres (7,050 ft) 10°11′45″N 84°02′46″W / 10.195833°N 84.046111°W / 10.195833; -84.046111 (Cacho Negro Volcano ) - Chato crater lake, hill 1,140 metres (3,740 ft) 10°26′31″N 84°41′17″W / 10.441944°N 84.688056°W / 10.441944; -84.688056 (Chato Volcano ) 1500 BC Chopo extinct 402 metres (1,319 ft) 10°28′14″N 85°03′51″W / 10.470430°N 85.064185°W / 10.470430; -85.064185 (Chopo Volcano ) Congo dormant 2,014 metres (6,608 ft) 10°15′00″N 84°14′00″W / 10.25°N 84.233333°W / 10.25; -84.233333 (Congo Volcano ) 9000 BC Hule crater lake 740 metres (2,430 ft) 10°17′43″N 84°12′32″W / 10.295278°N 84.208889°W / 10.295278; -84.208889 (Lake Hule ) Irazú dormant 3,432 metres (11,260 ft) 9°58′44″N 83°51′07″W / 9.979°N 83.852°W / 9.979; -83.852 (Irazú Volcano ) 1994 Miravalles dormant 2,028 metres (6,654 ft) 10°47′02″N 85°09′11″W / 10.784°N 85.153°W / 10.784; -85.153 (Miravalles Volcano ) 1946 Orosí dormant 1,659 metres (5,443 ft) 10°58′48″N 85°28′23″W / 10.980°N 85.473°W / 10.980; -85.473 (Orosí Volcano ) 1500 BC Pelado extinct, hill 680 metres (2,230 ft) 10°22′08″N 85°00′51″W / 10.368872°N 85.014292°W / 10.368872; -85.014292 (Pelado Hill ) - Platanar dormant 2,183 metres (7,162 ft) 10°18′00″N 84°21′58″W / 10.3000174°N 84.3660879°W / 10.3000174; -84.3660879 (Platanar Volcano ) 117,000 BC and later (Holocene ) Poás active 2,708 metres (8,885 ft) 10°12′00″N 84°13′59″W / 10.20°N 84.233°W / 10.20; -84.233 (Poás Volcano ) September 2019 Poco Sol crater lake 789 metres (2,589 ft) 10°21′N 84°40′W / 10.35°N 84.67°W / 10.35; -84.67 (Lake Poco Sol ) - Porvenir dormant 2,267 metres (7,438 ft) 10°16′18″N 84°21′39″W / 10.271724°N 84.360967°W / 10.271724; -84.360967 (Porvenir Volcano ) Rincón de la Vieja active 1,916 metres (6,286 ft) 10°49′48″N 85°19′26″W / 10.830°N 85.324°W / 10.830; -85.324 (Lake Río Cuarto ) April 2020 , hydrothermal, gas and steam. Río Cuarto crater lake 380 metres (1,250 ft) 10°21′25″N 84°12′59″W / 10.356944°N 84.216389°W / 10.356944; -84.216389 (Lake Río Cuarto ) Tenorio dormant 1,916 metres (6,286 ft) 10°40′23″N 85°00′54″W / 10.673°N 85.015°W / 10.673; -85.015 (Tenorio Volcano ) - Tilarán extinct, hill 634 metres (2,080 ft) 10°27′04″N 84°58′41″W / 10.451°N 84.978°W / 10.451; -84.978 (Tilarán Hill ) 2,580,000 BC –117,000 BC (Pleistocene ) Tortuguero extinct, hill 119 metres (390 ft) 10°35′04″N 83°31′40″W / 10.584327°N 83.527759°W / 10.584327; -83.527759 (Tortuguero Volcano ) Turrialba active 3,340 metres (10,960 ft) 10°01′30″N 83°46′01″W / 10.025°N 83.767°W / 10.025; -83.767 (Turrialba Volcano ) October 28, 2019 El Viejo extinct 2,122 metres (6,962 ft) 10°15′36″N 84°19′44″W / 10.26005°N 84.32887°W / 10.26005; -84.32887 (El Viejo Volcano ) 