From the Hôtel Cristal, turn left and walk to the Scierie, just after crossing the torrent. Then take the path to the right, behind the Scierie, and walk downhill. You'll cross the main road, then take the Chemin des bisses on your left. Follow this path downhill, cross the river La Gougra and continue on the path marked "Bisse de Saint-Jean" as far as Saint-Jean. Go through the village, passing the Gîte de Saint-Jean. Then turn left uphill and follow the "Chemin des Animaux" path towards Grimentz. You'll arrive at the Tourist Office, located at the beginning of the old village of Grimentz.