Côte de Bonsecours

North-western ascent from Rouen — the hardest of the 2 ways up

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GPX

2 ways up

From Rouen 2.1 km · 5.6% From Starting point unknown 1.1 km · 7.1%

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Added by TP Thutmose Edit this climb

Elevation profile

24 m → 144 m

0–4% 4–6% 6–8% 8–10% 10–14% 14%+

Steepest kilometre: km 2 at 7.8% — peaks at 9%

Elevation inside a tunnel is unreliable — the survey reads the mountain above the road, not the road. Report a tunnel

Climb stats

119 m Ascent

2.13 km Length

5.58% Average

9% Maximum

144 m Summit altitude

23 Difficulty

Kilometre by kilometre

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Km	Altitude	Gain	Average	Max
1	63 m	+39 m	3.9%	5%
2	141 m	+78 m	7.8%	9%
3	144 m	+3 m	2.2%	3%

Route map

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Rider notes

What it is actually like, from people who have ridden it

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How hard is 23?

Difficulty score is length × gradient, weighted for the steepest kilometre.

Côte de Cielle via la Route du Tram, Starting point unknown 23

Chanat-La-Mouteyre, stage 10 TdF 2025, Starting point unknown 23

Côte de Bonsecours, Rouen 23

Côte de la Batonnière, Starting point unknown 23

Humaran for Güeñes, Starting point unknown 23

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Conditions at the summit

19°

Partly cloudy · feels like 19°

Wind 4 km/h SW

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