Ceppo Morelli borders the following municipalities: Antrona Schieranco, Bannio Anzino, Carcoforo, Macugnaga, Saas Almagell (Switzerland), Vanzone con San Carlo.
Rima San Giuseppe borders the following municipalities: Alagna Valsesia, Boccioleto, Carcoforo, Macugnaga, Mollia, Rimasco, and Riva Valdobbia.