french alps mountains and mer-de-glace (sea of ice in french)

mountain ridge alps terrain plateau fell wilderness cliff geology rock valley adventure summit fjord nature highland badlands french mountains permanent glacier ice cap montenvers train station chamonix france landscape travel mont blanc snow europe peak alpine scenery scenic hiking view outdoor tourism sky summer landmark majestic environment vacation outdoors cold trekking european autumn italy high beautiful picturesque sport massif winter altitude white lake aiguille midi famous merdeglace sea