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Grand Tourhardroad2025

Stage 20

Nantua - Pontarlier

Tour de France 2025

Route:

Course

Start

Finish

Details

Route Facts

Distance184.9 km

Elevation Gain2,866 m

Descent2,566 m

Difficultyhard

StartNantua

FinishPontarlier

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Profile

Elevation

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Climbs

6 Categorized Climbs

Total elevation gain: 2,866m

4

km 0.2

0.2 – 2.8 km

80m

2.6 km

3.1%avg

7.5%max

3

Col de la Croix de la Serra

13.2 – 25.3 km

495m

12.1 km

4.1%avg

8.6%max

4

Côte de Valfin

39.5 – 47.7 km

278m

8.2 km

3.4%avg

7.4%max

3

km 118.5

118.5 – 124.8 km

351m

6.3 km

5.6%avg

12.9%max

4

km 136.6

136.6 – 139.7 km

109m

3.1 km

3.5%avg

5.6%max

4

Côte de Longeville

157.3 – 161.0 km

185m

3.7 km

5.0%avg

8.0%max

Cat	Name	Position	Length	Gain	Avg	Max
4	—	km 0.2 – 2.8	2.6 km	80m	3.1%	7.5%
3	Col de la Croix de la Serra	km 13.2 – 25.3	12.1 km	495m	4.1%	8.6%
4	Côte de Valfin	km 39.5 – 47.7	8.2 km	278m	3.4%	7.4%
3	—	km 118.5 – 124.8	6.3 km	351m	5.6%	12.9%
4	—	km 136.6 – 139.7	3.1 km	109m	3.5%	5.6%
4	Côte de Longeville	km 157.3 – 161.0	3.7 km	185m	5.0%	8.0%

RIDE THE ROUTE

View at km 3.1 — Photo by sebleouf / Mapillary (CC-BY-SA 4.0) Source

View at km 9.2 — Photo by globeur / Mapillary (CC-BY-SA 4.0) Source

View at km 15.4 — Photo by jerome_pietri / Mapillary (CC-BY-SA 4.0) Source

View at km 21.6 — Photo by connermacleod69 / Mapillary (CC-BY-SA 4.0) Source

View at km 33.9 — Photo by jerome_pietri / Mapillary (CC-BY-SA 4.0) Source

View at km 40.1 — Photo by thepriben / Mapillary (CC-BY-SA 4.0) Source

View at km 46.2 — Photo by thepriben / Mapillary (CC-BY-SA 4.0) Source

View at km 52.4 — Photo by thepriben / Mapillary (CC-BY-SA 4.0) Source

View at km 58.6 — Photo by tanonin / Mapillary (CC-BY-SA 4.0) Source

View at km 70.9 — Photo by trigpoint / Mapillary (CC-BY-SA 4.0) Source

View at km 89.4 — Photo by tanonin / Mapillary (CC-BY-SA 4.0) Source

View at km 101.7 — Photo by tanonin / Mapillary (CC-BY-SA 4.0) Source

View at km 107.9 — Photo by tanonin / Mapillary (CC-BY-SA 4.0) Source

View at km 114 — Photo by tanonin / Mapillary (CC-BY-SA 4.0) Source

View at km 181.8 — Photo by globeur / Mapillary (CC-BY-SA 4.0) Source

Terrain

Surface

Asphalt100%

roadPrimarily paved roads

Duration

Estimated Time

Beginner (2.0 W/kg)13.9h

Intermediate (2.8 W/kg)10.1h

Strong (3.5 W/kg)7.8h

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