NEW: The 2022 route will bring you to the lake Geneva and Walensee.
Route
about 1350km / 27,640m vertical climbing
Roads
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.
Big climbs
Subject to change:
Nufenenpass (2478m), Furkapass (2429m), Sustenpass (2260m), Grosse Scheidegg (1962m), Col du Pillon (1546m), Mittelberg (1632m), Chasseral (1607m), Kunkelspass (1357m), Lenzerheide (1550m), Albulapass (2315m), Bernina Pass (2328m). Splügen Pass (2114m), San Bernardino Pass (2026m)