Welcome to the website of the Grupo Espeológico Anthros and the Costa Rican grotto of the National Speleological Society. This page is currently under construction.(Nov 3,1999)

To go on a tour in Costa Rica with us CLICK HERE to go to our www.costaricachallenge.com web site.

CLICK HERE to go to our photo gallery.

To read a description of one of the dangerous adventures of caving in Costa Rica: CLICK HERE

The caves of Parque Nacional Barra Honda Costa Rica: CLICK HERE

If you are interested in nanobacteria CLICK HERE

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