In the Cordillera de los Marrabios, an active Quaternary volcanic range in western Nicaragua, several geothermal areas have been identified and characterized. In addition, field studies and scientific investigations have shown that significant thermal anomalies and permeable formations exist in the Nicaraguan Depression, a large NW-SE trending graben in the central part of the country. Exploration surveys, including drilling, have confirmed the presence of several thermal aquifers at different depths