volcano | Volcano | Turrialba | Under the Volcano | Tame the Volcano | Taal Volcano | Volcano The Bear | Volcano (Jimmy Buffett song) | Volcano (Jimmy Buffett album) | Santa Isabel (volcano) | Arenal Volcano | Vulcan (volcano) | Volcano, The Blast Coaster | Volcano the Bear | Volcano Suns | Volcano Park, Mayen-Koblenz | Volcano High | Volcano, Hawaii | Villarrica (volcano) | Under the Volcano (Rock and Hyde album) | The Quill (volcano) | Piton de la Fournaise Volcano Observatory | Pichincha Volcano | Pichincha volcano | Opala volcano | Montserrat Volcano Observatory | Miravalles Volcano | Measuring lava at Halema'uma'u, Kilauea, Hawaiian Volcano Observatory | Masaya Volcano | Irazú Volcano |
More recent ones (1500–300 BC) have been discovered in the Turrialba Valley, the coastal region of Gandoca, the northern plains, Sarapiquí Basin, Barva, Herradura, the Térraba River Basin, the Coto Colorado River Basin and Isla del Caño.
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Tradesman work areas, campfire pits and other fragmentary evidence of life in these groups have been found in the Turrialba valley and in various spots around Guanacaste.