They lie mostly in Switzerland, in the Cantons of Ticino, Graubünden, and Uri, and partly in Italy, in the province of Sondrio in Lombardy, stretching south to Lake Como.
A string of mountains of the Adula stand on the international border between Switzerland and Italy, including Pizzo Tambò, Piz di Pian, Cima de Pian Guarnei (Pizzo Quadro), Cime di Val Loga, Piz Tamborello, Piz della Forcola, Pizzaccio, and Cima dello Stagn, while Pizzo Ferré is near the border on the Italian side.
The mountain guides of the Swiss Alpine Club do not lead climbers in groups for the Adula Alps, but attach parts of them to other sections.
[1] The highest peak is the Rheinwaldhorn (3,402 metres; 11,161 feet), which in Italian is called the Adula, giving the range its name.
The following peaks of the Adela Alps are sorted by height in metres (m) above sea level, called Meter über Meer (m ü. M.) in Switzerland: