Lac
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Revision as of 14:00, 16 April 2012 by MContassot (talk | contribs) (Created page with "{{Article|istranslation=Yes|lang categories=Français}} thumb|right|Lac McDonald, Glacier National Park, Montana, USA Ret...")
Revision as of 14:00, 16 April 2012 by MContassot (talk | contribs) (Created page with "{{Article|istranslation=Yes|lang categories=Français}} thumb|right|Lac McDonald, Glacier National Park, Montana, USA Ret...")
Retenue d'eau de taille considérable, entourée de terre. Un lac peut se former lorsque la configuration du terrain bloque un cours d'eau (du à un glissement de terrain par exemple), ou résulte d'une activité volcanique ou sismique ou bien résulte de la glaciation.