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Heol Ddu Climb

📍
Tirycoed Road, Twynmynydd, Cwmamman, Glanamman, Carmarthenshire, Wales, SA18 2YE, 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 Heol Ddu Climb.

90 m140 m195 m245 m4.2% from 0 m to 5 m5.5% from 5 m to 10 m4.6% from 10 m to 21 m5.8% from 21 m to 35 m5.6% from 35 m to 49 m5.1% from 49 m to 63 m4.7% from 63 m to 76 m4.8% from 76 m to 90 m4.0% from 90 m to 105 m4.1% from 105 m to 120 m4.0% from 120 m to 135 m3.6% from 135 m to 149 m3.9% from 149 m to 164 m4.4% from 164 m to 180 m4.3% from 180 m to 196 m4.6% from 196 m to 214 m5.6% from 214 m to 232 m5.3% from 232 m to 251 m5.3% from 251 m to 269 m5.1% from 269 m to 289 m5.3% from 289 m to 308 m5.0% from 308 m to 328 m5.0% from 328 m to 346 m5.4% from 346 m to 361 m5.4% from 361 m to 372 m3.8% from 372 m to 385 m4.0% from 385 m to 398 m5.1% from 398 m to 407 m6.3% from 407 m to 419 m6.0% from 419 m to 430 m7.8% from 430 m to 440 m7.7% from 440 m to 451 m10.1% from 451 m to 462 m11.0% from 462 m to 473 m11.5% from 473 m to 484 m12.5% from 484 m to 495 m12.4% from 495 m to 506 m13.3% from 506 m to 516 m11.6% from 516 m to 525 m12.7% from 525 m to 533 m11.1% from 533 m to 539 m12.8% from 539 m to 548 m11.8% from 548 m to 556 m12.7% from 556 m to 564 m12.2% from 564 m to 573 m11.8% from 573 m to 582 m12.6% from 582 m to 592 m11.9% from 592 m to 602 m12.5% from 602 m to 612 m11.8% from 612 m to 621 m11.9% from 621 m to 629 m13.0% from 629 m to 637 m11.4% from 637 m to 645 m11.8% from 645 m to 652 m12.3% from 652 m to 659 m8.7% from 659 m to 666 m8.7% from 666 m to 673 m7.6% from 673 m to 679 m8.8% from 679 m to 687 m7.7% from 687 m to 696 m7.4% from 696 m to 705 m6.5% from 705 m to 714 m5.7% from 714 m to 723 m6.9% from 723 m to 733 m6.7% from 733 m to 743 m6.0% from 743 m to 753 m4.6% from 753 m to 764 m3.2% from 764 m to 773 m4.8% from 773 m to 784 m5.4% from 784 m to 795 m6.0% from 795 m to 803 m5.7% from 803 m to 812 m5.6% from 812 m to 819 m5.6% from 819 m to 826 m4.2% from 826 m to 834 m4.9% from 834 m to 844 m5.0% from 844 m to 854 m4.3% from 854 m to 863 m4.1% from 863 m to 871 m5.4% from 871 m to 878 m4.3% from 878 m to 887 m4.3% from 887 m to 897 m2.3% from 897 m to 905 m3.9% from 905 m to 913 m4.9% from 913 m to 921 m7.1% from 921 m to 932 m6.5% from 932 m to 943 m6.3% from 943 m to 953 m4.7% from 953 m to 961 m4.5% from 961 m to 970 m6.7% from 970 m to 979 m7.0% from 979 m to 988 m5.6% from 988 m to 997 m7.8% from 997 m to 1.0 km8.2% from 1.0 km to 1.0 km9.2% from 1.0 km to 1.0 km11.5% from 1.0 km to 1.0 km11.2% from 1.0 km to 1.0 km11.8% from 1.0 km to 1.1 km11.3% from 1.1 km to 1.1 km10.4% from 1.1 km to 1.1 km10.5% from 1.1 km to 1.1 km8.3% from 1.1 km to 1.1 km5.6% from 1.1 km to 1.1 km8.1% from 1.1 km to 1.1 km6.0% from 1.1 km to 1.1 km6.2% from 1.1 km to 1.1 km3.7% from 1.1 km to 1.1 km2.3% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.2 km2.3% from 1.2 km to 1.2 km2.8% from 1.2 km to 1.2 km1.1% from 1.2 km to 1.2 km3.9% from 1.2 km to 1.2 km4.0% from 1.2 km to 1.2 km7.3% from 1.2 km to 1.2 km6.5% from 1.2 km to 1.2 km8.4% from 1.2 km to 1.2 km5.8% from 1.2 km to 1.3 km7.0% from 1.3 km to 1.3 km6.2% from 1.3 km to 1.3 km7.4% from 1.3 km to 1.3 km7.8% from 1.3 km to 1.3 km7.6% from 1.3 km to 1.3 km7.1% from 1.3 km to 1.3 km8.2% from 1.3 km to 1.3 km10.1% from 1.3 km to 1.3 km8.8% from 1.3 km to 1.3 km9.7% from 1.3 km to 1.3 km8.8% from 1.3 km to 1.4 km8.5% from 1.4 km to 1.4 km8.2% from 1.4 km to 1.4 km8.0% from 1.4 km to 1.4 km7.9% from 1.4 km to 1.4 km7.5% from 1.4 km to 1.4 km7.9% from 1.4 km to 1.4 km8.6% from 1.4 km to 1.4 km8.3% from 1.4 km to 1.4 km8.7% from 1.4 km to 1.4 km8.5% from 1.4 km to 1.5 km8.5% from 1.5 km to 1.5 km8.7% from 1.5 km to 1.5 km7.3% from 1.5 km to 1.5 km9.2% from 1.5 km to 1.5 km10.0% from 1.5 km to 1.5 km9.9% from 1.5 km to 1.5 km12.5% from 1.5 km to 1.5 km12.5% from 1.5 km to 1.5 km14.5% from 1.5 km to 1.5 km12.7% from 1.5 km to 1.5 km13.7% from 1.5 km to 1.5 km12.5% from 1.5 km to 1.5 km12.5% from 1.5 km to 1.6 km12.1% from 1.6 km to 1.6 km12.6% from 1.6 km to 1.6 km13.5% from 1.6 km to 1.6 km11.7% from 1.6 km to 1.6 km7.9% from 1.6 km to 1.6 km8.7% from 1.6 km to 1.6 km9.6% from 1.6 km to 1.6 km13.3% from 1.6 km to 1.6 km12.8% from 1.6 km to 1.6 km13.2% from 1.6 km to 1.7 km12.5% from 1.7 km to 1.7 km12.0% from 1.7 km to 1.7 km13.3% from 1.7 km to 1.7 km12.6% from 1.7 km to 1.7 km11.4% from 1.7 km to 1.7 km11.4% from 1.7 km to 1.7 km12.1% from 1.7 km to 1.7 km11.9% from 1.7 km to 1.7 km13.0% from 1.7 km to 1.7 km9.3% from 1.7 km to 1.7 km7.0% from 1.7 km to 1.8 km8.3% from 1.8 km to 1.8 km7.1% from 1.8 km to 1.8 km7.0% from 1.8 km to 1.8 km6.8% from 1.8 km to 1.8 km6.8% from 1.8 km to 1.8 km6.6% from 1.8 km to 1.8 km6.8% from 1.8 km to 1.8 km6.9% from 1.8 km to 1.8 km6.5% from 1.8 km to 1.9 km5.0% from 1.9 km to 1.9 km5.4% from 1.9 km to 1.9 km5.0% from 1.9 km to 1.9 km4.9% from 1.9 km to 1.9 km5.5% from 1.9 km to 1.9 km2.5% from 1.9 km to 1.9 km4.9% from 1.9 km to 1.9 km5.4% from 1.9 km to 1.9 km4.4% from 1.9 km to 2.0 km3.9% from 2.0 km to 2.0 km5.1% from 2.0 km to 2.0 km4.0% from 2.0 km to 2.0 km3.8% from 2.0 km to 2.0 km4.8% from 2.0 km to 2.0 km4.2% from 2.0 km to 2.0 km4.1% from 2.0 km to 2.0 km3.5% from 2.0 km to 2.1 km6%8%7%9%0 m500 m1 km1.5 km2 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
Distance2.05 km / 1.28 miles
Elevation gain150.3 m / 493 ft
Average gradient7.3%
Maximum gradient12.1%
Elevation high243.29 m / 798 ft
Elevation low93 m / 305 ft
Climb difficulty score15,032.35

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
Waunhwyad to Heol Ddu
Glanamman, Carmarthenshire
1.71 km7.6%129 m
Diafol's past the Angel to crossroads
Glanamman, Carmarthenshire
1.65 km8.4%139 m
Garment Golf Club climb
Glanamman, Carmarthenshire
1.64 km6%98 m
Nantyglyn Coaster
Glanamman, Carmarthenshire
2.6 km1.7%45 m

Climb Rank

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

🗺

This climb ranks 338,200th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 18,996th most difficult cycling climb of all 332,744 climbs in United Kingdom.

📉

Places 3,856th out of 26,148 cycling climbs in Wales.

⚖

Ranks 246th out of 1,795 cycling climbs in Carmarthenshire.

🥇

This is the most difficult cycling climb in Glanamman.

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