off-road path high-altitude trail 4x4 in val d'isere, aiguille de la grande sassiere, france

val 039 isere france highaltitude trail lake glacier alpine peaks adventure scenic landscape reflections tranquility exploration wilderness elevation serenity panorama valleys summit hiking beauty nature discover rugged pristine solitude vistas fresh mountain peakscape winter trails frozen majestic views glacial escapade backcountry outdoor bliss unspoiled picturesque mountainous elevated wonderland jeep road