Archaeological Sites
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Costa Rica's most important and popular archaeological sites are depicted here.
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Selected photos: Archaeological Sites
Cabuyo River
El Farallon Petroglyph Wall
Spiral Petroglyph
El Farallon Petroglyph Wall
Spiral Petroglyph
Fish Petroglyph
Spheres Park
Grinding Stones
Petroglyphs Map
Spheres
Cabuyo River
Esferas
Squares Petroglyph
El Silencio Stone Sphere
Petroglyph with holes
petroglyph
Metate
Tour Group
Entrada al Museo
Petroglyphs Map
Squares Petroglyph
Park entrance
Tour Group
Fish Petroglyph
Don Juan Bautista
Petroglyph with holes
Lopez Brother
petroglyph
Museo Finca 6
View of Guayabo
Carved spider web in stone
Buried Stone Sphere
Main Mount
Felino de Piedra
Guayabo Mock-up
Lopez BrotherWhat are the stone spheres of the Diquís?
In 2014 UNESCO inscribed four settlements of the Diquís delta, Finca 6, Batambal, El Silencio and Grijalba-2, as a World Heritage property. The settlements date from about 500 to 1500 CE, and the spheres range from 0.7 to 2.57 metres in diameter; the largest is at El Silencio. The Museo Nacional reports that most are made of gabbroic rock from the Cordillera Costeña, with a few in limestone and sandstone.

This photo shows the sphere captioned as El Silencio's largest, a heavy dark boulder on short grass, its lower edge stained green. Their purpose is still uncertain. Researchers suggest they marked rank, power and ethnic identity, and some may have stood in open plazas of major settlements. See Diquís Valley Archaeological Sites.
What is Guayabo?
Guayabo National Monument, near the city of Turrialba, was occupied from about 1000 BC to 1400 AD according to SINAC, with its major development around 800 AD. Its structures include 43 mounds, three aqueducts, two plazas and two roads, all built from river stones. Naturalist Anastasio Alfaro first reported the site in 1886, and Law 5300 of 13 August 1973 declared it a national monument. Why the place was chosen, and why it was abandoned before the Spaniards arrived, is not known. See Guayabo National Monument.

Small finds are less dramatic than the spheres. This photo shows two flat stones with a rounded stone placed on top, captioned as grinding stones found lying around a site.
What is El Farallón?

El Farallón, in the Cañas area of Guanacaste, is a large rock wall carved with petroglyphs beside the Cabuyo River. In this photo a group of visitors passes below the grey face. The Museo Nacional found the site in 1987 and it was declared a national monument in 1998. The engravings include human figures, animals such as monkeys, birds and fish, and a sun, and are attributed to the Corobicí. It sits on private land, so access is arranged with the owners; see El Farallón National Monument.
For more on how finds are studied and displayed, see the National Museum. Access, schedules and conditions at all of these sites change, so confirm with the managing institution before travelling.