Effing big hill

📍
Ffordd Ddu, Arthog, Gwynedd, Wales, LL39 1LX, United Kingdom
Cat. 3

Estimated Climb Time

Loading your rider settings for Effing big hill...

Save your rider settings to unlock climb-time estimates and the effort table below.

Climb Profile

Altitude builds left to right while colour shows gradient severity for each part of Effing big hill.

225 m285 m340 m400 m15.4% from 0 m to 3 m14.3% from 3 m to 5 m14.3% from 5 m to 8 m23.1% from 8 m to 11 m5.3% from 11 m to 18 m16.0% from 18 m to 21 m17.4% from 21 m to 23 m23.1% from 23 m to 26 m15.4% from 26 m to 28 m8.5% from 28 m to 33 m18.2% from 33 m to 35 m14.8% from 35 m to 38 m16.7% from 38 m to 40 m14.8% from 40 m to 43 m0.0% from 43 m to 46 m0.0% from 46 m to 73 m15.4% from 73 m to 76 m15.4% from 76 m to 78 m25.0% from 78 m to 81 m14.8% from 81 m to 83 m16.0% from 83 m to 86 m0.0% from 86 m to 94 m1.6% from 94 m to 119 m12.5% from 119 m to 123 m12.9% from 123 m to 126 m12.1% from 126 m to 129 m11.1% from 129 m to 133 m0.0% from 133 m to 136 m0.0% from 136 m to 160 m0.0% from 160 m to 191 m-7.4% from 191 m to 197 m-20.0% from 197 m to 201 m-13.8% from 201 m to 204 m-13.8% from 204 m to 207 m0.0% from 207 m to 230 m0.0% from 230 m to 247 m0.0% from 247 m to 261 m19.0% from 261 m to 263 m17.4% from 263 m to 265 m17.4% from 265 m to 268 m19.0% from 268 m to 270 m20.0% from 270 m to 272 m0.0% from 272 m to 275 m64.5% from 275 m to 281 m0.0% from 281 m to 290 m0.0% from 290 m to 295 m0.0% from 295 m to 311 m5.2% from 311 m to 318 m19.4% from 318 m to 321 m13.8% from 321 m to 324 m13.3% from 324 m to 327 m12.1% from 327 m to 331 m0.0% from 331 m to 355 m16.0% from 355 m to 358 m28.6% from 358 m to 360 m18.2% from 360 m to 362 m17.4% from 362 m to 364 m16.7% from 364 m to 367 m0.0% from 367 m to 369 m0.0% from 369 m to 385 m0.0% from 385 m to 407 m0.0% from 407 m to 428 m5.7% from 428 m to 435 m23.1% from 435 m to 437 m18.2% from 437 m to 440 m17.4% from 440 m to 442 m18.2% from 442 m to 444 m5.7% from 444 m to 451 m23.1% from 451 m to 454 m12.9% from 454 m to 457 m21.4% from 457 m to 460 m12.5% from 460 m to 463 m24.0% from 463 m to 465 m21.4% from 465 m to 468 m14.3% from 468 m to 471 m25.0% from 471 m to 473 m0.0% from 473 m to 482 m3.1% from 482 m to 495 m13.8% from 495 m to 497 m12.9% from 497 m to 501 m12.5% from 501 m to 504 m12.9% from 504 m to 507 m0.0% from 507 m to 522 m0.0% from 522 m to 541 m0.0% from 541 m to 547 m20.7% from 547 m to 550 m25.8% from 550 m to 553 m20.0% from 553 m to 556 m12.9% from 556 m to 559 m0.0% from 559 m to 572 m0.0% from 572 m to 579 m85.7% from 579 m to 581 m-16.0% from 581 m to 583 m0.0% from 583 m to 594 m0.0% from 594 m to 617 m5.5% from 617 m to 632 m18.2% from 632 m to 634 m28.6% from 634 m to 636 m19.0% from 636 m to 638 m6.3% from 638 m to 644 m20.0% from 644 m to 646 m40.0% from 646 m to 648 m21.1% from 648 m to 650 m21.1% from 650 m to 652 m0.0% from 652 m to 657 m3.8% from 657 m to 668 m20.0% from 668 m to 670 m20.0% from 670 m to 672 m21.1% from 672 m to 674 m21.1% from 674 m to 676 m16.7% from 676 m to 682 m21.1% from 682 m to 683 m20.0% from 683 m to 685 m20.0% from 685 m to 687 m0.0% from 687 m to 689 m6.8% from 689 m to 695 m20.0% from 695 m to 697 m30.0% from 697 m to 699 m23.5% from 699 m to 701 m22.2% from 701 m to 703 m0.0% from 703 m to 706 m12.9% from 706 m to 709 m25.0% from 709 m to 711 m25.0% from 711 m to 713 m23.5% from 713 m to 714 m25.0% from 714 m to 716 m6.7% from 716 m to 722 m28.6% from 722 m to 723 m50.0% from 723 m to 725 m23.5% from 725 m to 727 m4.4% from 727 m to 736 m23.5% from 736 m to 737 m25.0% from 737 m to 739 m26.7% from 739 m to 740 m26.7% from 740 m to 742 m0.0% from 742 m to 748 m0.0% from 748 m to 751 m0.0% from 751 m to 753 m37.5% from 753 m to 755 m25.0% from 755 m to 756 m21.1% from 756 m to 758 m22.2% from 758 m to 760 m21.1% from 760 m to 762 m22.2% from 762 m to 764 m22.2% from 764 m to 766 m22.2% from 766 m to 767 m22.2% from 767 m to 769 m23.5% from 769 m to 771 m16.7% from 771 m to 775 m21.1% from 775 m to 776 m33.3% from 776 m to 778 m22.2% from 778 m to 780 m33.3% from 780 m to 782 m0.0% from 782 m to 784 m7.4% from 784 m to 789 m21.1% from 789 m to 791 m31.6% from 791 m to 793 m19.0% from 793 m to 795 m19.0% from 795 m to 797 m0.0% from 797 m to 799 m10.8% from 799 m to 803 m20.0% from 803 m to 805 m19.0% from 805 m to 807 m47.6% from 807 m to 809 m0.0% from 809 m to 815 m0.0% from 815 m to 830 m0.0% from 830 m to 841 m5.6% from 841 m to 848 m25.0% from 848 m to 850 m31.6% from 850 m to 852 m20.0% from 852 m to 854 m18.2% from 854 m to 856 m6.9% from 856 m to 862 m21.1% from 862 m to 864 m20.0% from 864 m to 866 m22.2% from 866 m to 868 m21.1% from 868 m to 870 m3.5% from 870 m to 881 m25.0% from 881 m to 883 m21.1% from 883 m to 884 m19.0% from 884 m to 887 m18.2% from 887 m to 889 m0.0% from 889 m to 893 m3.0% from 893 m to 906 m18.2% from 906 m to 909 m45.5% from 909 m to 911 m18.2% from 911 m to 913 m2.6% from 913 m to 929 m19.0% from 929 m to 931 m17.4% from 931 m to 933 m20.0% from 933 m to 935 m28.6% from 935 m to 937 m0.0% from 937 m to 950 m9.1% from 950 m to 954 m18.2% from 954 m to 956 m18.2% from 956 m to 958 m19.0% from 958 m to 961 m18.2% from 961 m to 963 m0.0% from 963 m to 967 m4.7% from 967 m to 976 m18.2% from 976 m to 978 m30.0% from 978 m to 980 m20.0% from 980 m to 982 m21.1% from 982 m to 984 m0.0% from 984 m to 986 m7.0% from 986 m to 991 m35.3% from 991 m to 993 m22.2% from 993 m to 995 m23.5% from 995 m to 997 m40.0% from 997 m to 998 m0.0% from 998 m to 1000 m8.2% from 1000 m to 1.0 km26.7% from 1.0 km to 1.0 km40.0% from 1.0 km to 1.0 km44.4% from 1.0 km to 1.0 km6.1% from 1.0 km to 1.0 km35.3% from 1.0 km to 1.0 km28.6% from 1.0 km to 1.0 km26.7% from 1.0 km to 1.0 km28.6% from 1.0 km to 1.0 km0.0% from 1.0 km to 1.0 km4.1% from 1.0 km to 1.0 km25.0% from 1.0 km to 1.0 km23.5% from 1.0 km to 1.0 km22.2% from 1.0 km to 1.0 km25.0% from 1.0 km to 1.0 km8.5% from 1.0 km to 1.0 km44.4% from 1.0 km to 1.0 km25.0% from 1.0 km to 1.1 km25.0% from 1.1 km to 1.1 km18.2% from 1.1 km to 1.1 km26.7% from 1.1 km to 1.1 km23.5% from 1.1 km to 1.1 km25.0% from 1.1 km to 1.1 km26.7% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km10.8% from 1.1 km to 1.1 km23.5% from 1.1 km to 1.1 km26.7% from 1.1 km to 1.1 km23.5% from 1.1 km to 1.1 km21.1% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km7.9% from 1.1 km to 1.1 km20.0% from 1.1 km to 1.1 km21.1% from 1.1 km to 1.1 km28.6% from 1.1 km to 1.1 km16.7% from 1.1 km to 1.1 km0.0% from 1.1 km to 1.1 km3.9% from 1.1 km to 1.1 km14.8% from 1.1 km to 1.1 km14.8% from 1.1 km to 1.1 km13.3% from 1.1 km to 1.1 km12.5% 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 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km3.4% from 1.2 km to 1.2 km8.9% from 1.2 km to 1.2 km13.0% from 1.2 km to 1.3 km9.1% from 1.3 km to 1.3 km14.0% from 1.3 km to 1.3 km3.3% from 1.3 km to 1.3 km11.1% from 1.3 km to 1.3 km11.8% from 1.3 km to 1.3 km17.6% from 1.3 km to 1.3 km11.1% from 1.3 km to 1.3 km2.3% from 1.3 km to 1.3 km10.5% from 1.3 km to 1.3 km11.4% from 1.3 km to 1.3 km11.4% from 1.3 km to 1.3 km10.5% from 1.3 km to 1.3 km0.0% from 1.3 km to 1.3 km0.0% from 1.3 km to 1.3 km0.0% from 1.3 km to 1.4 km0.0% 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 km0.0% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.5 km1.9% from 1.5 km to 1.5 km15.8% from 1.5 km to 1.5 km10.3% from 1.5 km to 1.5 km9.8% from 1.5 km to 1.5 km10.8% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km3.6% from 1.5 km to 1.5 km10.8% from 1.5 km to 1.5 km17.1% from 1.5 km to 1.5 km12.5% from 1.5 km to 1.5 km13.3% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.6 km6.8% from 1.6 km to 1.6 km20.0% from 1.6 km to 1.6 km15.4% from 1.6 km to 1.6 km15.4% from 1.6 km to 1.6 km21.4% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km14.8% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km3.8% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km14.8% from 1.6 km to 1.6 km21.4% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.6 km2.2% from 1.6 km to 1.6 km14.8% from 1.6 km to 1.6 km15.4% from 1.6 km to 1.6 km15.4% from 1.6 km to 1.6 km14.3% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.7 km4.2% from 1.7 km to 1.7 km11.8% from 1.7 km to 1.7 km14.3% from 1.7 km to 1.7 km14.3% from 1.7 km to 1.7 km20.7% from 1.7 km to 1.7 km3.3% from 1.7 km to 1.7 km12.1% from 1.7 km to 1.7 km12.1% from 1.7 km to 1.7 km19.4% from 1.7 km to 1.7 km12.9% from 1.7 km to 1.7 km2.7% from 1.7 km to 1.7 km14.3% from 1.7 km to 1.7 km13.8% from 1.7 km to 1.7 km13.8% from 1.7 km to 1.7 km19.4% from 1.7 km to 1.7 km0.0% from 1.7 km to 1.7 km1.9% from 1.7 km to 1.8 km13.8% from 1.8 km to 1.8 km12.5% from 1.8 km to 1.8 km17.6% from 1.8 km to 1.8 km11.4% from 1.8 km to 1.8 km11.1% from 1.8 km to 1.8 km10.3% from 1.8 km to 1.8 km10.5% from 1.8 km to 1.8 km10.0% from 1.8 km to 1.8 km13.3% 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 km0.0% from 1.8 km to 1.8 km7.5% from 1.8 km to 1.8 km7.3% from 1.8 km to 1.9 km7.3% from 1.9 km to 1.9 km6.9% from 1.9 km to 1.9 km7.0% 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 km8.7% from 1.9 km to 1.9 km8.5% from 1.9 km to 1.9 km8.7% from 1.9 km to 1.9 km8.5% from 1.9 km to 1.9 km8.5% from 1.9 km to 1.9 km0.0% from 1.9 km to 1.9 km0.0% from 1.9 km to 2.0 km0.0% from 2.0 km to 2.0 km27.8% from 2.0 km to 2.0 km11.1% from 2.0 km to 2.0 km10.8% from 2.0 km to 2.0 km17.1% from 2.0 km to 2.0 km0.0% from 2.0 km to 2.0 km10.8% from 2.0 km to 2.0 km11.1% from 2.0 km to 2.0 km11.1% from 2.0 km to 2.0 km11.8% from 2.0 km to 2.0 km11.4% from 2.0 km to 2.0 km0.0% from 2.0 km to 2.0 km2.8% from 2.0 km to 2.0 km11.1% from 2.0 km to 2.0 km11.4% from 2.0 km to 2.0 km11.1% from 2.0 km to 2.1 km11.8% from 2.1 km to 2.1 km0.0% from 2.1 km to 2.1 km2.7% from 2.1 km to 2.1 km13.3% from 2.1 km to 2.1 km13.8% from 2.1 km to 2.1 km13.8% from 2.1 km to 2.1 km14.8% from 2.1 km to 2.1 km0.0% from 2.1 km to 2.1 km16.7% from 2.1 km to 2.1 km14.8% from 2.1 km to 2.1 km15.4% from 2.1 km to 2.1 km17.4% from 2.1 km to 2.1 km17.4% from 2.1 km to 2.1 km0.0% from 2.1 km to 2.1 km7.4% from 2.1 km to 2.1 km20.7% from 2.1 km to 2.1 km15.4% from 2.1 km to 2.2 km15.4% from 2.2 km to 2.2 km14.8% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km4.7% from 2.2 km to 2.2 km13.8% from 2.2 km to 2.2 km13.3% from 2.2 km to 2.2 km12.9% from 2.2 km to 2.2 km12.9% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km2.7% from 2.2 km to 2.2 km12.5% from 2.2 km to 2.2 km12.9% from 2.2 km to 2.2 km33.3% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.2 km0.0% from 2.2 km to 2.3 km13.8% from 2.3 km to 2.3 km13.8% from 2.3 km to 2.3 km12.9% from 2.3 km to 2.3 km12.5% from 2.3 km to 2.3 km12.9% from 2.3 km to 2.3 km0.0% from 2.3 km to 2.3 km2.2% from 2.3 km to 2.3 km13.3% from 2.3 km to 2.3 km13.3% from 2.3 km to 2.3 km13.3% from 2.3 km to 2.3 km20.0% from 2.3 km to 2.3 km0.0% from 2.3 km to 2.3 km0.0% from 2.3 km to 2.3 km3.2% from 2.3 km to 2.3 km14.3% from 2.3 km to 2.3 km15.4% from 2.3 km to 2.3 km14.3% from 2.3 km to 2.3 km13.8% from 2.3 km to 2.3 km0.0% from 2.3 km to 2.3 km2.1% from 2.3 km to 2.4 km25.0% from 2.4 km to 2.4 km12.9% from 2.4 km to 2.4 km13.3% from 2.4 km to 2.4 km0.0% from 2.4 km to 2.4 km4.7% from 2.4 km to 2.4 km13.8% from 2.4 km to 2.4 km13.8% from 2.4 km to 2.4 km13.8% from 2.4 km to 2.4 km13.8% from 2.4 km to 2.4 km3.0% from 2.4 km to 2.4 km14.8% from 2.4 km to 2.4 km13.3% from 2.4 km to 2.4 km13.8% from 2.4 km to 2.4 km15.4% from 2.4 km to 2.4 km0.0% from 2.4 km to 2.4 km6.9% from 2.4 km to 2.4 km14.3% from 2.4 km to 2.5 km14.8% from 2.5 km to 2.5 km13.8% from 2.5 km to 2.5 km13.3% from 2.5 km to 2.5 km0.0% from 2.5 km to 2.5 km4.9% from 2.5 km to 2.5 km13.3% from 2.5 km to 2.5 km20.7% from 2.5 km to 2.5 km13.8% from 2.5 km to 2.5 km12.9% from 2.5 km to 2.5 km2.0% from 2.5 km to 2.5 km12.5% from 2.5 km to 2.5 km25.0% from 2.5 km to 2.5 km12.9% from 2.5 km to 2.5 km2.4% from 2.5 km to 2.5 km11.8% from 2.5 km to 2.5 km18.8% from 2.5 km to 2.5 km12.1% from 2.5 km to 2.5 km11.4% from 2.5 km to 2.5 km0.0% from 2.5 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 km1.7% from 2.6 km to 2.7 km8.0% from 2.7 km to 2.7 km8.3% from 2.7 km to 2.7 km8.3% from 2.7 km to 2.7 km7.8% from 2.7 km to 2.7 km0.0% from 2.7 km to 2.7 km0.0% from 2.7 km to 2.7 km0.0% from 2.7 km to 2.7 km1.9% from 2.7 km to 2.7 km8.3% from 2.7 km to 2.7 km19.5% from 2.7 km to 2.8 km9.5% from 2.8 km to 2.8 km0.0% from 2.8 km to 2.8 km0.0% from 2.8 km to 2.8 km0.0% from 2.8 km to 2.8 km5%10%5%6%6%3%0 m500 m1 km1.5 km2 km2.5 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 categoryCategory 3
Distance2.78 km / 1.73 miles
Elevation gain170.2 m / 558 ft
Average gradient6.1%
Maximum gradient15.3%
Elevation high399.8 m / 1,312 ft
Elevation low229.6 m / 753 ft
Climb difficulty score17,012.99

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
Kings Penmaenpool YHA climb
Arthog, Gwynedd
2.55 km5.4%163 m
The Never Ending Climb
Arthog, Gwynedd
3.17 km7.6%242 m
The Rockmare
Arthog, Gwynedd
1.76 km6.6%117 m
Welsh climbing at its best 2020
Arthog, Gwynedd
2.14 km10.2%218 m
Cregennen Lakes OFFICIAL Wales Climbs
Arthog, Gwynedd
2.02 km10.3%207 m

Climb Rank

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

🗺

This climb ranks 285,601st out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 14,018th most difficult cycling climb of all 332,744 climbs in United Kingdom.

📉

Places 3,085th out of 26,148 cycling climbs in Wales.

Ranks 429th out of 2,245 cycling climbs in Gwynedd.

🏵️

A local climb of note, this is the 7th most difficult cycling climb (out of 27 climbs) in Arthog.

Useful Links

View this climb on other sites.

Google Street View
Strava

Something wrong with this listing? Help keep BikeClimbs accurate.

Flag this climb