The organisation named Communauté de Communes des Grands Lacs is a group of municipalities in the department of the Landes, in New-Aquitaine. The total population of this intermunicipal organisation is 31373 inhabitants, spread across a surface area of 667.52 km². The population density is 40 inhabitants/km². The maximum altitude is 80 metres. The Communauté de Communes des Grands Lacs public intermunicipal cooperation establishment comprises the 7 municipalities listed below.