Mount Jacques-Cartier is a mountain in the Chic-Choc Mountains range in eastern Quebec, Canada. At 1268 m, it is the tallest mountain in southern Quebec, and the highest mountain in the Canadian Appalachians. Located in the Gaspé Peninsula, the mountain is protected within a Quebec provincial park called Gaspésie National Park, and is host to the last remaining population of woodland caribou south of the Saint Lawrence River. The summit can be accessed by a hiking trail.