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Revista Geológica de América Central

versão On-line ISSN 0256-7024


RUIZ, Paulo  e  SUAREZ, Carolina. Integral condition assessment of “Puente de Piedra”, Grecia, Costa Rica and its tourism potential. Rev. Geol. Amér. Central [online]. 2017, n.57, pp. 121-147. ISSN 0256-7024.

Puente de Piedra is a structure located in the southwest flank of the Poás volcano, originated from differential erosion processes active for thousands of years in volcanic rocks (ignimbrite deposits) by the Poró river. It was declared a natural heritage of Costa Rica on April 21, 1994, under the decree number 23 1111- 06 and because of its nature as relatively young age (Middle Pleistocene), size and functionality is one of the few worldwide. For these reasons, its preservation is very important to be enjoyed by future generations. A geological and geomorphological characterization of the bridge is presented, also the region in which it is located, along with an assessment of their current status and inventory of damages, human activities that take place in the region are also identified and how the changes in them could negatively impact it in the future. To have the detailed geomorphological description of the bridge, we used a lidar survey and a 3D model to obtain all the parametric data that also can be use as historical memory of the structure. The results of this work can be the starting point for defining an intervention program, conservation and maintenance of the structure, also an incentive for the community of Grecia that can have greater tourist use of this site. Currently the tourism is detached and with no interconnections in terms of geological, biological and cultural aspects. Linking these fields could help to improve the development of communities near the volcano and take the first steps towards a concept of geopark.

Palavras-chave : natural bridge; differential erosion; lidar; evaluation; slopes; traffic; geopark.

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