Orosí Volcano

The Orosí Volcano, in Spanish the Volcán Orosí, is an inactive volcano in Costa Rica, situated in the Cordillera de Guanacaste near the border with Nicaragua. The area around the volcano is a popular tourist destination, especially for more ecologically minded tourists due to its biodiversity, including the Guanacaste National Park.

This article is about the volcano in Guanacaste province. For the district in Cartago province, see Orosi, Cartago.
Orosí Volcano
SW view of Orosi, 1989
Highest point
Elevation1,659 m (5,443 ft) [1]
ListingList of volcanoes in Costa Rica
Coordinates10°58′48″N 85°28′24″W [1]
Geography
Orosí Volcano
Parent rangeCordillera de Guanacaste
Geology
Mountain typeStratovolcano
Last eruption~3500 years ago[1]

Volcán Orosí itself has a conical shape as viewed from the north or west, but its flanks are heavily eroded. The complex includes Orosí, Orosilito, Volcán Pedregal, and Cacao. The highest peak of the volcanic complex is 1659-m-high Volcán Cacao, 5.5 km SE of Orosí. Historical eruptions were reported from Orosí in 1844 and 1849, but even at the time of the first volcanological observations at the end of the 19th century, Orosí was overgrown with large trees, and the eruptions may actually have been from neighboring Rincón de la Vieja. [2]

At the base of the volcano is the Maritza Biological Station, which researches aquatic biology, founded in conjunction with Stroud Water Research Center, Avondale, Pennsylvania, USA.

References
  1. "Orosí". Global Volcanism Program. Smithsonian Institution. Retrieved 2020-05-30.
  2. "Global Volcanism Program | Orosí". volcano.si.edu. Retrieved 2019-06-30.


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