Artificial Lake located at the western edge of Chamonix at Les Pelerins. The lake lies right next to the Lac a l'Anglais and the nearby Les Gaillands climbing wall. There is also a snack bar and an accropark nearby and all together this recreation area is often referred to as Les Gaillands. It is a very popular destination for both locals and tourists and has nice reflections of Mont Blanc in its waters. The lake is artificial and was created at the beginning of the 20th century during the construction of the Saint-Gervais-les-Bains to Vallorcine train line. The material that was excavated left a very big whole which was then filled with water flowing from Lac a l'Anglais to the Arve river to create the lake which stands there today.

You can fish in Lac Gaillands buy either holding a regional fishing license or by buying  fishing pass. These passes can be daily, weekly or annually. The lake is open to fishing from March to October each year. More information can be gotten at the Chamonix tourist office or at the regional fishing website of the Haute Savoie.