Le Crêt de la Neige is the highest peak in the Jura Mountains and the department of Ain in France. Its elevation is 1720 m above sea level. Its prominence is 1260 m. It is located in the commune of Thoiry. In 2024, a team of researchers locates the actual highest peak in a protected area and measures its elevation at 1720.83 m, while they found the geodetic marker at Crêt de la Neige at 1718.06 m elevation.