Col du Grand Ballon from Willer-sur-Thur

Route overview

This route suits cyclists prepared for a steady 14.6 km climb with 963 m ascent.

A 14.6 km climb from Willer-sur-Thur to Col du Grand Ballon in France, gaining 963 m.

Starting at Willer-sur-Thur (372 m), the route climbs steadily for 14.6 km to reach Col du Grand Ballon at 1335 m. The main climb spans 12.7 km from km 2 to the top, with an average gradient of 7.5% and sections up to 12.8%. The elevation gain is 948 m on this climb. The first half of the route contains 37% of the total climbing. The surface is mostly paved (96%) with a small 4% gravel or unpaved section. The ride includes 5.4 km of path, 4.2 km on minor roads, 3.2 km on main roads (all without cycle lanes), and 1.6 km of quiet streets. The longest named road is D 13B8, which is ridden for 3.8 km. There are 2.8 km on roads with speed limits of 80 km/h or more. Food and water are available near the start in Willer-sur-Thur and intermittently along the route. There is a longest stretch of 5.9 km without cafés, shops, or water from 7.2 km to 13.1 km. Three restaurants lie just off the route at kms 1.4, 6.4, and 13.2. Water taps are at 2.6 km, 7.2 km, and at the summit, which also has toilets. The route starts and finishes near stations and supermarkets, with bailout points at Willer-sur-Thur.

Highlights

• Col du Grand Ballon summit at 1335 m
• Long 12.7 km climb averaging 7.5%
• Viewpoint Chalet Hôtel Du Grand Ballon at 14.6 km
• Peak Rennenbachfels near 11.6 km

Practical information

Surface

Paved

Route shape

Point to point

Riding time

1 h 03 min

Know before you go

• 5.9 km without café, shop or water from 7.2 to 13.1 km
• 3.2 km on main roads without cycle lanes
• 2.8 km on roads with speed limits 80 km/h or above
• 4% gravel or unpaved surface

Routes are for inspiration. Roads, surfaces and conditions change — check locally and ride within your limits.