The climb to Grimselpass starts in Innertkirchen, at 628 m, in the Bern region. This side, known as the Innertkirchen side, lies in Switzerland and leads up to the pass. The starting point, the lowest point of the route, marks the beginning of the ascent toward the summit of the Grimselpass.
From Innertkirchen (km 0, 628 m), the road climbs toward Guttannen, reached at km 8.8 at 1,057 m. The climb continues from there to the summit, at km 26.4. Along this route, the longest climb of the ascent runs from km 0.3 to km 26.4, gaining 1,531 m of elevation, almost the entire distance between start and finish.
Grimselpass tops out at 2,158 m. The climb from Innertkirchen gains 1,534 m in total over the full route, at an average gradient of 5.8%. The summit marks the end of the 26.4 km covered from the starting point, the lowest point of the route.
Paths and places: © OpenStreetMap contributors. Altitudes measured on the route.