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The Slag Heap

📍
Henllys, Cwmbran, Torfaen, Wales, NP44 6HP, United Kingdom
Cat. 4Flag this climb

Estimated Climb Time

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Climb Profile

Altitude builds left to right while colour shows gradient severity for each part of The Slag Heap.

220 m275 m325 m380 m23.9% from 0 m to 7 m23.7% from 7 m to 15 m24.7% from 15 m to 22 m23.5% from 22 m to 37 m23.8% from 37 m to 46 m22.8% from 46 m to 61 m26.8% from 61 m to 69 m26.8% from 69 m to 84 m28.2% from 84 m to 92 m28.6% from 92 m to 100 m27.8% from 100 m to 108 m28.6% from 108 m to 115 m28.8% from 115 m to 122 m29.2% from 122 m to 129 m23.0% from 129 m to 136 m19.5% from 136 m to 145 m9.6% from 145 m to 152 m21.6% from 152 m to 160 m25.7% from 160 m to 167 m21.1% from 167 m to 174 m23.4% from 174 m to 182 m25.9% from 182 m to 197 m22.4% from 197 m to 213 m14.6% from 213 m to 222 m21.4% from 222 m to 229 m20.4% from 229 m to 244 m20.0% from 244 m to 251 m18.9% from 251 m to 266 m17.1% from 266 m to 274 m19.0% from 274 m to 288 m19.7% from 288 m to 295 m18.2% from 295 m to 303 m18.1% from 303 m to 310 m19.7% from 310 m to 317 m18.7% from 317 m to 324 m13.6% from 324 m to 333 m15.5% from 333 m to 340 m15.3% from 340 m to 348 m15.5% from 348 m to 363 m16.0% from 363 m to 370 m13.7% from 370 m to 378 m15.0% from 378 m to 386 m16.0% from 386 m to 394 m14.7% from 394 m to 409 m15.3% from 409 m to 418 m15.5% from 418 m to 425 m12.7% from 425 m to 433 m15.5% from 433 m to 440 m13.3% from 440 m to 448 m9.9% from 448 m to 456 m9.7% from 456 m to 463 m9.8% from 463 m to 471 m6.2% from 471 m to 486 m6.8% from 486 m to 494 m3.9% from 494 m to 502 m8.9% from 502 m to 515 m9.6% from 515 m to 522 m8.6% from 522 m to 530 m8.3% from 530 m to 540 m7.5% from 540 m to 548 m8.2% from 548 m to 556 m9.0% from 556 m to 564 m9.0% from 564 m to 572 m8.6% from 572 m to 579 m8.3% from 579 m to 587 m19.4% from 587 m to 594 m16.4% from 594 m to 602 m17.1% from 602 m to 610 m17.1% from 610 m to 617 m15.3% from 617 m to 625 m9.5% from 625 m to 633 m8.3% from 633 m to 641 m8.2% from 641 m to 649 m8.3% from 649 m to 657 m11.1% from 657 m to 664 m6.4% from 664 m to 672 m9.7% from 672 m to 679 m3.9% from 679 m to 687 m5.3% from 687 m to 694 m6.8% from 694 m to 702 m9.5% from 702 m to 709 m6.9% from 709 m to 716 m5.3% from 716 m to 724 m12.5% from 724 m to 731 m12.4% from 731 m to 740 m10.8% from 740 m to 748 m9.0% from 748 m to 756 m13.7% from 756 m to 764 m13.6% from 764 m to 772 m17.8% from 772 m to 779 m13.9% from 779 m to 787 m13.7% from 787 m to 795 m15.1% from 795 m to 802 m15.1% from 802 m to 809 m14.3% from 809 m to 816 m10.7% from 816 m to 824 m13.7% from 824 m to 831 m13.7% from 831 m to 838 m10.4% from 838 m to 846 m10.5% from 846 m to 854 m11.4% from 854 m to 862 m12.7% from 862 m to 869 m15.8% from 869 m to 877 m15.0% from 877 m to 885 m15.0% from 885 m to 893 m14.6% from 893 m to 901 m13.9% from 901 m to 908 m15.8% from 908 m to 916 m14.6% from 916 m to 924 m14.5% from 924 m to 932 m15.0% from 932 m to 940 m13.2% from 940 m to 947 m15.3% from 947 m to 955 m14.3% from 955 m to 962 m14.3% from 962 m to 970 m8.3% from 970 m to 977 m9.2% from 977 m to 985 m11.7% from 985 m to 993 m7.1% from 993 m to 1000 m6.9% from 1000 m to 1.0 km4.6% from 1.0 km to 1.0 km4.1% from 1.0 km to 1.0 km4.1% from 1.0 km to 1.0 km6.5% from 1.0 km to 1.0 km-5.5% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.1 km-8.5% from 1.1 km to 1.1 km-3.9% from 1.1 km to 1.1 km-2.6% from 1.1 km to 1.1 km-1.4% from 1.1 km to 1.1 km-5.0% from 1.1 km to 1.1 km-2.7% from 1.1 km to 1.1 km-5.9% from 1.1 km to 1.1 km-5.0% from 1.1 km to 1.1 km-4.9% from 1.1 km to 1.1 km-3.9% from 1.1 km to 1.2 km-5.6% from 1.2 km to 1.2 km-2.5% from 1.2 km to 1.2 km-3.3% from 1.2 km to 1.2 km-4.8% from 1.2 km to 1.2 km-5.3% from 1.2 km to 1.2 km-6.7% from 1.2 km to 1.2 km-7.9% from 1.2 km to 1.2 km-4.5% from 1.2 km to 1.2 km-3.7% from 1.2 km to 1.2 km24%15%10%13%-3%0 m250 m500 m750 m1 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 categoryCategory 4
Distance1.24 km / 0.77 miles
Elevation gain146.1 m / 479 ft
Average gradient11.8%
Maximum gradient28.6%
Elevation high375.19 m / 1,231 ft
Elevation low220.47 m / 723 ft
Climb difficulty score14,609.52

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
Square to the First Gate
Cwmbran, Torfaen
1.19 km10.9%136 m
Henllys Steep Climb
Cwmbran, Torfaen
1.12 km15.5%174 m
Shadow of the Beast
Cwmbran, Torfaen
1.5 km13.7%205 m
till it gets silly
Cwmbran, Torfaen
0.84 km12.3%103 m
Cheeky Monkeys roundabout to Ty Canol descent
Cwmbran, Torfaen
1.24 km7.1%89 m

Climb Rank

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

🗺

This climb ranks 351,355th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 20,346th most difficult cycling climb of all 332,744 climbs in United Kingdom.

📉

Places 4,053rd out of 26,148 cycling climbs in Wales.

⚖

Ranks 72nd out of 535 cycling climbs in Torfaen.

🏵️

A local climb of note, this is the 10th most difficult cycling climb (out of 130 climbs) in Cwmbran.

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