Channel Islands referred to as an 'Île normande' (as opposed to "anglo-normande"). 'Îles Normandes' and 'Archipel Normand' have also, historically, been used in Channel Island French to refer to the islands as a whole. The very large tidal variation provides an environmentally rich inter-tidal zone around the islands, and some islands such as Burhou, the Écréhous, and the Minquiers have been designated Ramsar sites. The waters around the islands include the following: The highest point in the islands is Les Platons in Jersey at 143 metres (469 ft) above sea level. The lowest point is the Atlantic Ocean (sea level). The earliest
Société Normande de Peinture Moderne Dumont, Robert Antoine Pinchon, Yvonne Barbier, and Eugène Tirvert, declare the formation of the ""Société de Peinture Moderne, which has the goal of informing the general public of a modern artistic trend through a series of exhibitions"." The "Société Normande de Peinture Moderne" attracted the participation of Raoul Dufy, a native of Le Havre, Georges Braque, Henri Matisse, Maurice de Vlaminck, André Derain, Joseph Delattre, Albert Marquet, Maurice Louvier, Francis Picabia, Maurice Utrillo, Othon Friesz, Francis Picabia, and Roger de La Fresnaye, among others. The first of five exhibitions organized by the "Société Normande de Peinture Moderne" took place at