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4 Yvelines, France

Côte de Bazemont

Western ascent from Aulnay-sur-Mauldre
GPX Directions
Length
2.0 km
Height gain
128 m
Average
6.3%
Steepest km
6.9%
Summit altitude
164 m
Difficulty
23

Elevation profile

36 m → 164 m Touch or hover to inspect
0–4% 4–6% 6–8% 8–10% 10–14% 14%+
Steepest km: km 1 at 6.9%

Climb analysis

Where the climbing is

0–4%
0.3 km
4–6%
0.5 km
6–8%
0.8 km
8–10%
0.5 km
10–14%
0.0 km
14%+
0.0 km

Hardest sustained

1 km · km 0.6–1.6
8.0%

Time to the top

0h 09 at 3 W/kg · 70 kg rider + 8 kg bike, no wind

Kilometre by kilometre

Export CSV
Km Altitude Gradient 0–15%
1 105 m 6.9%
2 164 m 5.9%
3 164 m 0.0%

Route map

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Road surface not mapped yet Report a road type
No tunnels mapped Map a tunnel

At the summit now

Updated 1 min ago
12° Partly cloudy Feels like 11° · 164 m
Headwind on 53% of the climb · Wind 7 km/h S
Tailwind 12% Crosswind 35% Headwind 53%

How hard is 23?

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

Subida a La Montaña, Vargas 24
Puerto Mestanza cara sur, Mestanza 23
Côte de Bazemont, Aulnay-sur-Mauldre 23
Col du Maquisard via Spa, Marteau 23
Côte de Monbran 23

Help complete this climb

Riders’ photos, notes and corrections make every profile better.

Add a photo No photos yet — the last kilometre, the summit sign Write a rider note Traffic, water, where it really bites Map a tunnel Mark where the road goes underground Report a road type Not mapped yet — paved, unpaved or cobbles
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Added by altigraphs · 1 contributor

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