Puig Montner Volcano Nature · Sant Miquel de Campmajor, Pla de l'Estany, Girona Image of Sant Miquel de Campmajor, not of the place itself. Volcano in the municipality of Sant Miquel de Campmajor, evidence that volcanic activity in the area extends beyond the limits of the Garrotxa. It rises to 837 metres in altitude and is catalogued as an extinct volcano within the Garrotxa Volcanic Zone. Photo: Josep Maria Viñolas Esteva (CC BY-SA 4.0) What to see and do in Sant Miquel de Campmajor