scientific relevance, used as a reference, and/or with a substantial contribution to the development of geological sciences through history.' See also List of volcanoes in Costa Rica Ark Herb Farm References Volcano World: Poas, Costa Rica External links bathymetric survey of Laguna Caliente with a drone boat Stratovolcanoes of Costa Rica Active volcanoes Volcanic crater lakes Geography of Alajuela Province Mountains of Costa Rica First 100 IUGS Geological Heritage Sites