NEW: The 2022 route will bring you to the lake Geneva and Walensee.
about 1300km / 27,000m vertical climbing
Mostly paved roads, some gravel sections may be possible. Roads with no or not much traffic and cycling routes. 28mm tyres should bring you to the finish without problems.
Subject to change:
Nufenenpass (2478m), Furkapass (2429m), Sustenpass (2260m), Grosse Scheidegg (1962m), Col du Pillon (1546m), Col des Mosses (1445m), Mittelberg (1632m), Chasseral (1607m), Kunkelspass (1357m), Lenzerheide (1550m), Albulapass (2315m), Flüelapass (2383m), San Bernardino Pass (2026m)