To reach Arolla, travel to Sion, Switzerland, and on by PostBus (time table, valid until Dec 14, 2019). Leave the train station through the main exit and find the Postbus station (big yellow buses) some 50 m to your left. Take bus 381 to Les Haudères, where you change to bus 382 for Arolla. Leave the bus at the last stop, which is Arolla Poste. From here it is a 2 min walk, across the gravel parking lot, to Les Ecureuils.
Traveling by car, drive to Sion, VS, Switzerland, and leave the freeway at exit “Sion – est/Val d’Hérens” (notice that there are two exits at Sion). Follow the signs to “Val d’Hérens” and, passing through Evolène and Les Haudères, arrive at Arolla Poste. Find yourself a place for parking, either along the road or on the gravel place to your right, from where it is a 1 min walk to Les Ecureuils. Sion to Arolla is a 50 minutes drive.
Arolla Poste is the center of the village with most everything within walking distance.