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La Slack

📍
1, Rue du Marais, Ambleteuse, Boulogne-sur-Mer, Pas-de-Calais, Hauts-de-France, Metropolitan France, 62164, France
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Estimated Climb Time

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Climb Profile

Altitude builds left to right while colour shows gradient severity for each part of La Slack.

0 m25 m50 m75 m-2.4% from 0 m to 8 m0.0% from 8 m to 17 m0.0% from 17 m to 26 m0.0% from 26 m to 35 m0.0% from 35 m to 45 m0.0% from 45 m to 55 m3.9% from 55 m to 65 m0.0% from 65 m to 76 m-1.9% from 76 m to 87 m0.0% from 87 m to 98 m0.0% from 98 m to 109 m1.8% from 109 m to 120 m0.0% from 120 m to 131 m1.8% from 131 m to 142 m-1.8% from 142 m to 153 m0.0% from 153 m to 164 m-1.8% from 164 m to 176 m-7.0% from 176 m to 187 m0.0% from 187 m to 199 m-5.2% from 199 m to 210 m-1.7% from 210 m to 222 m-1.7% from 222 m to 234 m-1.7% from 234 m to 246 m-1.7% from 246 m to 257 m6.9% from 257 m to 269 m-1.7% from 269 m to 281 m3.3% from 281 m to 293 m0.0% from 293 m to 305 m3.3% from 305 m to 317 m1.7% from 317 m to 329 m0.0% from 329 m to 341 m1.6% from 341 m to 353 m0.0% from 353 m to 365 m0.0% from 365 m to 378 m0.0% from 378 m to 391 m0.0% from 391 m to 403 m-3.1% from 403 m to 416 m-3.1% from 416 m to 429 m-3.2% from 429 m to 441 m-3.2% from 441 m to 454 m-1.6% from 454 m to 466 m0.0% from 466 m to 478 m-1.7% from 478 m to 490 m0.0% from 490 m to 502 m0.0% from 502 m to 514 m0.0% from 514 m to 526 m0.0% from 526 m to 538 m1.7% from 538 m to 550 m1.7% from 550 m to 562 m0.0% from 562 m to 573 m3.4% from 573 m to 585 m0.0% from 585 m to 597 m3.3% from 597 m to 609 m0.0% from 609 m to 622 m1.6% from 622 m to 634 m0.0% from 634 m to 647 m0.0% from 647 m to 659 m1.6% from 659 m to 671 m0.0% from 671 m to 684 m0.0% from 684 m to 697 m1.6% from 697 m to 709 m1.6% from 709 m to 722 m1.6% from 722 m to 734 m1.6% from 734 m to 747 m0.0% from 747 m to 759 m1.6% from 759 m to 772 m0.0% from 772 m to 784 m0.0% from 784 m to 797 m-4.8% from 797 m to 810 m-1.6% from 810 m to 822 m-1.6% from 822 m to 835 m1.6% from 835 m to 847 m-3.2% from 847 m to 860 m-1.6% from 860 m to 872 m0.0% from 872 m to 885 m0.0% from 885 m to 897 m0.0% from 897 m to 910 m0.0% from 910 m to 922 m0.0% from 922 m to 934 m3.2% from 934 m to 947 m1.6% from 947 m to 960 m1.6% from 960 m to 972 m0.0% from 972 m to 985 m-3.2% from 985 m to 997 m-1.6% from 997 m to 1.0 km-1.6% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.1 km0.0% from 1.1 km to 1.1 km1.7% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km1.7% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km1.7% from 1.1 km to 1.1 km1.7% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.2 km0.0% from 1.2 km to 1.2 km1.8% from 1.2 km to 1.2 km1.8% from 1.2 km to 1.2 km1.9% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km3.9% from 1.2 km to 1.2 km2.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km4.0% from 1.2 km to 1.2 km2.0% from 1.2 km to 1.3 km4.1% from 1.3 km to 1.3 km2.0% from 1.3 km to 1.3 km8.1% from 1.3 km to 1.3 km2.0% from 1.3 km to 1.3 km9.9% from 1.3 km to 1.3 km4.0% from 1.3 km to 1.3 km5.9% from 1.3 km to 1.3 km3.8% from 1.3 km to 1.3 km0.0% from 1.3 km to 1.3 km1.9% from 1.3 km to 1.4 km1.9% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km3.7% from 1.4 km to 1.4 km1.8% from 1.4 km to 1.4 km3.7% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km3.7% from 1.4 km to 1.4 km1.8% from 1.4 km to 1.5 km0.0% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km3.7% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km3.8% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km1.9% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.6 km0.0% from 1.6 km to 1.6 km2.0% from 1.6 km to 1.6 km2.0% from 1.6 km to 1.6 km9.9% from 1.6 km to 1.6 km3.8% from 1.6 km to 1.6 km5.7% from 1.6 km to 1.6 km1.8% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.6 km1.7% from 1.6 km to 1.6 km1.7% from 1.6 km to 1.7 km1.7% from 1.7 km to 1.7 km0.0% from 1.7 km to 1.7 km0.0% from 1.7 km to 1.7 km-3.6% from 1.7 km to 1.7 km-7.3% from 1.7 km to 1.7 km-6.3% from 1.7 km to 1.7 km-4.2% from 1.7 km to 1.7 km-3.8% from 1.7 km to 1.7 km-5.7% from 1.7 km to 1.8 km0.0% from 1.8 km to 1.8 km-1.8% from 1.8 km to 1.8 km-1.8% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km-1.8% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km0.0% from 1.8 km to 1.8 km1.9% from 1.8 km to 1.9 km1.9% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km1.9% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km3.6% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km1.8% from 1.9 km to 1.9 km3.6% from 1.9 km to 2.0 km1.8% from 2.0 km to 2.0 km1.8% from 2.0 km to 2.0 km0.0% from 2.0 km to 2.0 km3.6% from 2.0 km to 2.0 km1.8% from 2.0 km to 2.0 km1.8% from 2.0 km to 2.0 km1.8% from 2.0 km to 2.0 km9.2% from 2.0 km to 2.0 km1.8% from 2.0 km to 2.0 km1.8% from 2.0 km to 2.1 km1.8% from 2.1 km to 2.1 km0.0% from 2.1 km to 2.1 km1.8% from 2.1 km to 2.1 km0.0% from 2.1 km to 2.1 km5.4% from 2.1 km to 2.1 km1.8% from 2.1 km to 2.1 km0.0% from 2.1 km to 2.1 km1.8% from 2.1 km to 2.1 km1.8% from 2.1 km to 2.2 km1.8% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km1.8% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km1.7% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.3 km-1.7% from 2.3 km to 2.3 km0.0% from 2.3 km to 2.3 km-1.6% from 2.3 km to 2.3 km-3.1% from 2.3 km to 2.3 km-1.5% from 2.3 km to 2.3 km-1.5% from 2.3 km to 2.3 km0.0% from 2.3 km to 2.3 km-2.9% from 2.3 km to 2.4 km0.0% from 2.4 km to 2.4 km-4.1% from 2.4 km to 2.4 km-1.3% from 2.4 km to 2.4 km-2.6% from 2.4 km to 2.4 km-3.9% from 2.4 km to 2.4 km-5.3% from 2.4 km to 2.4 km-4.1% from 2.4 km to 2.5 km-2.8% from 2.5 km to 2.5 km-15.6% from 2.5 km to 2.5 km-4.3% from 2.5 km to 2.5 km-11.7% from 2.5 km to 2.5 km-4.4% from 2.5 km to 2.5 km-4.5% from 2.5 km to 2.5 km-1.6% from 2.5 km to 2.6 km-3.1% from 2.6 km to 2.6 km-1.6% from 2.6 km to 2.6 km-1.7% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.6 km2.1% from 2.6 km to 2.6 km2.2% from 2.6 km to 2.6 km0.0% from 2.6 km to 2.7 km2.4% from 2.7 km to 2.7 km2.5% from 2.7 km to 2.7 km10.1% from 2.7 km to 2.7 km10.5% from 2.7 km to 2.7 km18.7% from 2.7 km to 2.7 km13.3% from 2.7 km to 2.7 km8.6% from 2.7 km to 2.7 km17.4% from 2.7 km to 2.7 km6.1% from 2.7 km to 2.7 km18.5% from 2.7 km to 2.7 km6.2% from 2.7 km to 2.7 km12.3% from 2.7 km to 2.7 km6.3% from 2.7 km to 2.7 km9.8% from 2.7 km to 2.8 km3.4% from 2.8 km to 2.8 km13.8% from 2.8 km to 2.8 km22.2% from 2.8 km to 2.8 km7.4% from 2.8 km to 2.8 km15.7% from 2.8 km to 2.8 km10.9% from 2.8 km to 2.8 km11.1% from 2.8 km to 2.8 km7.4% from 2.8 km to 2.8 km14.5% from 2.8 km to 2.8 km7.0% from 2.8 km to 2.8 km14.3% from 2.8 km to 2.8 km7.0% from 2.8 km to 2.8 km13.1% from 2.8 km to 2.8 km9.8% from 2.8 km to 2.8 km6.5% from 2.8 km to 2.8 km9.5% from 2.8 km to 2.8 km3.3% from 2.8 km to 2.8 km9.7% from 2.8 km to 2.9 km6.1% from 2.9 km to 2.9 km10.7% from 2.9 km to 2.9 km3.5% from 2.9 km to 2.9 km6.8% from 2.9 km to 2.9 km0.0% from 2.9 km to 2.9 km10.5% from 2.9 km to 2.9 km14.0% from 2.9 km to 2.9 km3.6% from 2.9 km to 2.9 km10.5% from 2.9 km to 2.9 km10.5% from 2.9 km to 2.9 km10.5% from 2.9 km to 2.9 km7.0% from 2.9 km to 2.9 km7.0% from 2.9 km to 2.9 km7.0% from 2.9 km to 2.9 km10.2% from 2.9 km to 2.9 km3.5% from 2.9 km to 2.9 km13.8% from 2.9 km to 3.0 km10.2% from 3.0 km to 3.0 km3.4% from 3.0 km to 3.0 km13.1% from 3.0 km to 3.0 km3.3% from 3.0 km to 3.0 km9.8% from 3.0 km to 3.0 km3.3% from 3.0 km to 3.0 km9.8% from 3.0 km to 3.0 km6.8% from 3.0 km to 3.0 km6.7% from 3.0 km to 3.0 km3.4% from 3.0 km to 3.0 km9.8% from 3.0 km to 3.0 km10.2% from 3.0 km to 3.0 km6.7% from 3.0 km to 3.0 km10.0% from 3.0 km to 3.0 km3.2% from 3.0 km to 3.0 km9.8% from 3.0 km to 3.0 km6.6% from 3.0 km to 3.1 km9.7% from 3.1 km to 3.1 km3.2% from 3.1 km to 3.1 km9.5% from 3.1 km to 3.1 km3.2% from 3.1 km to 3.1 km9.4% from 3.1 km to 3.1 km6.3% from 3.1 km to 3.1 km3.1% from 3.1 km to 3.1 km9.0% from 3.1 km to 3.1 km0.0% from 3.1 km to 3.1 km5.6% from 3.1 km to 3.1 km2.8% from 3.1 km to 3.1 km5.4% from 3.1 km to 3.1 km2.6% from 3.1 km to 3.1 km2.6% from 3.1 km to 3.1 km0.0% from 3.1 km to 3.2 km5.2% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km2.5% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km2.5% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km7.8% from 3.2 km to 3.2 km2.6% from 3.2 km to 3.2 km5.2% from 3.2 km to 3.3 km7.8% from 3.3 km to 3.3 km2.6% from 3.3 km to 3.3 km2.6% from 3.3 km to 3.3 km2.6% from 3.3 km to 3.3 km2.6% from 3.3 km to 3.3 km5.1% from 3.3 km to 3.3 km7.5% from 3.3 km to 3.3 km0.0% from 3.3 km to 3.3 km4.8% from 3.3 km to 3.3 km2.4% from 3.3 km to 3.3 km7.2% from 3.3 km to 3.3 km4.8% from 3.3 km to 3.3 km0.0% from 3.3 km to 3.4 km2.5% from 3.4 km to 3.4 km2.5% from 3.4 km to 3.4 km7.5% from 3.4 km to 3.4 km2.5% from 3.4 km to 3.4 km5.1% from 3.4 km to 3.4 km2.6% from 3.4 km to 3.4 km5.2% from 3.4 km to 3.4 km2.7% from 3.4 km to 3.4 km8.1% from 3.4 km to 3.4 km8.2% from 3.4 km to 3.4 km2.8% from 3.4 km to 3.4 km5.7% from 3.4 km to 3.4 km2.9% from 3.4 km to 3.5 km2.9% from 3.5 km to 3.5 km3.0% from 3.5 km to 3.5 km2.9% from 3.5 km to 3.5 km3.0% from 3.5 km to 3.5 km5.8% from 3.5 km to 3.5 km2.9% from 3.5 km to 3.5 km2.9% from 3.5 km to 3.5 km8.8% from 3.5 km to 3.5 km5.9% from 3.5 km to 3.5 km8.8% from 3.5 km to 3.5 km6.0% from 3.5 km to 3.5 km3.0% from 3.5 km to 3.5 km6.0% from 3.5 km to 3.5 km6.2% from 3.5 km to 3.5 km6.3% from 3.5 km to 3.6 km12.5% from 3.6 km to 3.6 km6.5% from 3.6 km to 3.6 km6.3% from 3.6 km to 3.6 km13.1% from 3.6 km to 3.6 km3.3% from 3.6 km to 3.6 km10.0% from 3.6 km to 3.6 km6.7% from 3.6 km to 3.6 km6.6% from 3.6 km to 3.6 km6.3% from 3.6 km to 3.6 km6.5% from 3.6 km to 3.6 km3.2% from 3.6 km to 3.6 km6.2% from 3.6 km to 3.6 km9.2% from 3.6 km to 3.6 km3.1% from 3.6 km to 3.6 km9.2% from 3.6 km to 3.6 km2.9% from 3.6 km to 3.7 km2.9% from 3.7 km to 3.7 km2.7% from 3.7 km to 3.7 km2.7% from 3.7 km to 3.7 km0.0% from 3.7 km to 3.7 km2.9% from 3.7 km to 3.7 km3.2% from 3.7 km to 3.7 km0.0% from 3.7 km to 3.7 km4.0% from 3.7 km to 3.7 km0.0% from 3.7 km to 3.7 km-0%0%2%1%-1%6%4%5%0 m500 m1 km1.5 km2 km2.5 km3 km3.5 km
Gradient key0-3%3-6%6-9%9-12%12-15%15%+

Climb Stats

Combined metric and imperial stats for quick route planning.

Climb categoryUncategorised
Distance3.71 km / 2.31 miles
Elevation gain68.6 m / 225 ft
Average gradient1.9%
Maximum gradient14.7%
Elevation high71.4 m / 234 ft
Elevation low0.4 m / 1 ft
Climb difficulty score6,866.83

Similar Climbs Nearby

If you like the shape of this climb, these nearby options have a similar distance, gradient, and elevation profile.

Tip: rotate your phone to landscape and swipe the table sideways to reveal the full set of climb details.

ClimbLengthGradientAscent
route de la slack
Ambleteuse, Pas-de-Calais
3.68 km1.9%70 m
Ambleteuse - Bazinghen
Ambleteuse, Pas-de-Calais
4.34 km1.2%69 m
Ambleteuse Raventhun
Ambleteuse, Pas-de-Calais
2.64 km1.6%43 m
Ambleteuse Sud Wimereux Nord
Ambleteuse, Pas-de-Calais
3.28 km0.9%29 m
bosse d'aubengue
Ambleteuse, Pas-de-Calais
0.34 km1.8%6 m

Climb Rank

How does this climb compare against every other climb in the world?

🗺

This climb ranks 859,506th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 107,766th most difficult cycling climb of all 342,105 climbs in France.

📉

Places 2,095th out of 17,918 cycling climbs in Hauts-de-France.

⚖

Ranks 665th out of 4,836 cycling climbs in Pas-de-Calais.

🥈️

This is the second most difficult cycling climb in Ambleteuse.

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