
Road · France
A mountainous 15 km road cycling route from Willer-sur-Thur through Gehren, Moosch and Geishouse, with 963 m of climbing over the Moosch climb.
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.
| Climb | Starts at | On this ride | Full ascent | Top on this ride |
|---|---|---|---|---|
| Moosch climb | 2 km | 12.7 km · 948 m · 7.5 % · max 12.8 % | 12.6 km · 948 m · 7.5 % | 1335 m |