Complex sentence: Haute Nendaz is situated on a sunny plateau/terrace at between 1300m and 1500m, it has panoramic views of the Bernese and Vaud Alps.
Split into simpler sentences: Haute Nendaz is situated on a sunny plateau/terrace at an altitude of between 1300m and 1500m. It has panoramic views of the Bernese and Vaud Alps.