In the 1960 ’ s, a group of scientists and local residents founded the Monteverde Cloud Forest Preserve, a wildlife sanctuary that soon thereafter was expanded to include the watershed.
1960. aastatel asutas rühm teadlasi ja kohalikke elanikke looduskaitseala nimetusega Reserva Biológica Bosque Nuboso Monteverde, mis peagi laienes ka veelahkmele.