Il lago sotterraneo di San Leonardo si trova in Svizzera, nel cantone Vallese tra Sion e Sierre nelle Alpi Pennine nel comune di Saint-Léonard, è stato scoperto nel 1943 e si trova a 509 m d'altezza.
I suoi 300 m circa di lunghezza per 20 m di larghezza ne fanno il più grande lago sotterraneo finora scoperto in Europa e nel mondo.
Il lago è abitato da trote iridee.
Source: Wikipedia.org
Copyright: Creative Commons 3.0
Address: Siders, Switzerland
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