Mount Jacques Cartier, mountain on the north side of the Gaspé Peninsula in Gaspesian Provincial Park, eastern Quebec province, Canada. The highest peak in the well-forested Monts Chic-Choc (Shickshock Mountains), an extension of the Appalachians, is Mount Jacques Cartier, which has an elevation of 4,160 feet (1,268 m). The name Tabletop indicates its flat summit.