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Patapsco-Bonnie-College Purgatory Hill

📍
1, Ilchester Road, Ilchester, Howard County, Maryland, 21043, United States
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 Patapsco-Bonnie-College Purgatory Hill.

25 m55 m90 m120 m4.2% from 0 m to 10 m3.1% from 10 m to 19 m2.3% from 19 m to 28 m3.6% from 28 m to 36 m2.4% from 36 m to 45 m2.5% from 45 m to 53 m3.8% from 53 m to 61 m2.7% from 61 m to 68 m4.2% from 68 m to 75 m2.9% from 75 m to 82 m2.9% from 82 m to 89 m2.9% from 89 m to 96 m3.1% from 96 m to 102 m3.1% from 102 m to 108 m4.4% from 108 m to 115 m3.2% from 115 m to 121 m3.2% from 121 m to 128 m3.3% from 128 m to 134 m3.3% from 134 m to 140 m4.2% from 140 m to 145 m4.5% from 145 m to 151 m4.0% from 151 m to 156 m5.8% from 156 m to 162 m4.4% from 162 m to 166 m4.7% from 166 m to 173 m3.6% from 173 m to 178 m16.1% from 178 m to 181 m0.0% from 181 m to 185 m1.3% from 185 m to 193 m3.2% from 193 m to 199 m1.9% from 199 m to 205 m4.2% from 205 m to 209 m3.8% from 209 m to 215 m5.8% from 215 m to 220 m7.1% from 220 m to 224 m5.0% from 224 m to 230 m7.5% from 230 m to 234 m5.6% from 234 m to 238 m7.7% from 238 m to 242 m7.7% from 242 m to 247 m8.2% from 247 m to 252 m7.7% from 252 m to 257 m9.3% from 257 m to 262 m10.2% from 262 m to 267 m9.1% from 267 m to 272 m8.7% from 272 m to 276 m10.0% from 276 m to 280 m9.8% from 280 m to 285 m9.1% from 285 m to 289 m8.8% from 289 m to 292 m8.8% from 292 m to 295 m8.3% from 295 m to 299 m10.3% from 299 m to 303 m8.1% from 303 m to 307 m8.1% from 307 m to 310 m9.8% from 310 m to 314 m7.3% from 314 m to 318 m5.1% from 318 m to 322 m8.1% from 322 m to 326 m4.8% from 326 m to 332 m4.9% from 332 m to 336 m4.3% from 336 m to 341 m5.1% from 341 m to 345 m5.1% from 345 m to 349 m5.0% from 349 m to 353 m3.0% from 353 m to 356 m5.6% from 356 m to 363 m4.3% from 363 m to 368 m6.3% from 368 m to 373 m2.1% from 373 m to 377 m4.2% from 377 m to 382 m2.5% from 382 m to 386 m0.0% from 386 m to 390 m2.3% from 390 m to 395 m2.0% from 395 m to 400 m0.0% from 400 m to 404 m0.0% from 404 m to 409 m2.2% from 409 m to 413 m0.0% from 413 m to 418 m0.0% from 418 m to 422 m2.7% from 422 m to 425 m0.0% from 425 m to 429 m7.3% from 429 m to 433 m4.4% from 433 m to 438 m6.4% from 438 m to 442 m6.5% from 442 m to 447 m4.3% from 447 m to 452 m4.0% from 452 m to 464 m3.7% from 464 m to 469 m2.9% from 469 m to 473 m4.3% from 473 m to 478 m3.1% from 478 m to 481 m3.8% from 481 m to 486 m4.3% from 486 m to 491 m6.1% from 491 m to 494 m5.9% from 494 m to 497 m7.9% from 497 m to 504 m5.4% from 504 m to 507 m8.6% from 507 m to 511 m8.1% from 511 m to 515 m7.5% from 515 m to 519 m6.2% from 519 m to 523 m4.2% from 523 m to 528 m4.3% from 528 m to 533 m4.2% from 533 m to 538 m4.4% from 538 m to 542 m2.2% from 542 m to 547 m2.1% from 547 m to 551 m2.2% from 551 m to 556 m0.0% from 556 m to 561 m2.2% from 561 m to 565 m0.0% from 565 m to 570 m0.0% from 570 m to 574 m0.0% from 574 m to 578 m2.4% from 578 m to 583 m0.0% from 583 m to 587 m2.4% from 587 m to 591 m2.4% from 591 m to 595 m2.6% from 595 m to 599 m2.6% from 599 m to 603 m5.4% from 603 m to 606 m2.9% from 606 m to 610 m5.4% from 610 m to 613 m5.6% from 613 m to 617 m5.6% from 617 m to 621 m5.9% from 621 m to 624 m6.1% from 624 m to 627 m5.6% from 627 m to 631 m6.2% from 631 m to 634 m7.3% from 634 m to 640 m5.4% from 640 m to 645 m7.4% from 645 m to 651 m5.2% from 651 m to 656 m7.0% from 656 m to 662 m6.5% from 662 m to 665 m9.1% from 665 m to 669 m6.9% from 669 m to 674 m6.5% from 674 m to 679 m7.3% from 679 m to 684 m8.0% from 684 m to 689 m8.8% from 689 m to 693 m6.9% from 693 m to 699 m8.1% from 699 m to 702 m5.7% from 702 m to 706 m8.1% from 706 m to 710 m5.3% from 710 m to 713 m7.9% from 713 m to 717 m7.0% from 717 m to 721 m6.7% from 721 m to 726 m5.0% from 726 m to 730 m0.0% from 730 m to 734 m2.3% from 734 m to 738 m2.8% from 738 m to 742 m3.2% from 742 m to 745 m2.4% from 745 m to 749 m4.3% from 749 m to 754 m2.1% from 754 m to 759 m4.0% from 759 m to 764 m4.7% from 764 m to 768 m5.0% from 768 m to 772 m2.6% from 772 m to 776 m6.7% from 776 m to 780 m4.2% from 780 m to 785 m2.1% from 785 m to 790 m4.3% from 790 m to 795 m2.1% from 795 m to 799 m4.4% from 799 m to 804 m0.0% from 804 m to 808 m3.0% from 808 m to 812 m1.8% from 812 m to 817 m0.0% from 817 m to 820 m2.9% from 820 m to 824 m0.0% from 824 m to 827 m0.0% from 827 m to 831 m2.4% from 831 m to 835 m4.8% from 835 m to 840 m4.5% from 840 m to 844 m4.3% from 844 m to 849 m5.9% from 849 m to 854 m1.9% from 854 m to 859 m0.0% from 859 m to 864 m0.0% from 864 m to 869 m1.9% from 869 m to 875 m6.0% from 875 m to 880 m6.1% from 880 m to 884 m4.3% from 884 m to 889 m4.3% from 889 m to 894 m6.4% from 894 m to 898 m4.4% from 898 m to 903 m2.4% from 903 m to 907 m5.0% from 907 m to 911 m2.4% from 911 m to 915 m4.8% from 915 m to 919 m2.4% from 919 m to 923 m2.6% from 923 m to 927 m2.3% from 927 m to 932 m2.2% from 932 m to 936 m2.4% from 936 m to 940 m2.6% from 940 m to 944 m3.1% from 944 m to 947 m2.9% from 947 m to 951 m3.0% from 951 m to 954 m3.1% from 954 m to 957 m2.9% from 957 m to 961 m3.5% from 961 m to 966 m4.7% from 966 m to 971 m4.4% from 971 m to 975 m4.5% from 975 m to 980 m7.0% from 980 m to 984 m7.5% from 984 m to 989 m6.9% from 989 m to 995 m5.7% from 995 m to 1.0 km6.0% from 1.0 km to 1.0 km5.9% from 1.0 km to 1.0 km2.6% from 1.0 km to 1.0 km5.9% from 1.0 km to 1.0 km2.8% from 1.0 km to 1.0 km5.1% from 1.0 km to 1.0 km2.2% from 1.0 km to 1.0 km4.1% from 1.0 km to 1.0 km6.7% from 1.0 km to 1.0 km4.7% from 1.0 km to 1.0 km5.4% from 1.0 km to 1.0 km6.5% from 1.0 km to 1.1 km4.9% from 1.1 km to 1.1 km3.1% from 1.1 km to 1.1 km5.3% from 1.1 km to 1.1 km2.8% from 1.1 km to 1.1 km4.9% from 1.1 km to 1.1 km2.3% from 1.1 km to 1.1 km2.6% from 1.1 km to 1.1 km3.1% from 1.1 km to 1.1 km2.9% from 1.1 km to 1.1 km2.5% from 1.1 km to 1.1 km2.1% from 1.1 km to 1.1 km4.3% from 1.1 km to 1.1 km4.3% from 1.1 km to 1.1 km4.4% from 1.1 km to 1.1 km6.5% from 1.1 km to 1.1 km6.7% from 1.1 km to 1.1 km5.1% from 1.1 km to 1.1 km8.6% from 1.1 km to 1.1 km5.0% from 1.1 km to 1.1 km7.0% from 1.1 km to 1.1 km7.5% from 1.1 km to 1.1 km5.3% from 1.1 km to 1.1 km7.9% from 1.1 km to 1.1 km7.9% from 1.1 km to 1.2 km8.1% from 1.2 km to 1.2 km7.9% from 1.2 km to 1.2 km8.3% from 1.2 km to 1.2 km8.8% 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 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 km0.0% from 1.2 km to 1.2 km-16.7% from 1.2 km to 1.2 km-2.3% from 1.2 km to 1.2 km0.0% from 1.2 km to 1.2 km7.4% from 1.2 km to 1.2 km9.3% from 1.2 km to 1.2 km8.7% from 1.2 km to 1.2 km9.1% from 1.2 km to 1.2 km9.6% from 1.2 km to 1.2 km9.4% from 1.2 km to 1.3 km6.7% from 1.3 km to 1.3 km8.6% from 1.3 km to 1.3 km8.7% from 1.3 km to 1.3 km10.9% from 1.3 km to 1.3 km7.7% from 1.3 km to 1.3 km10.9% from 1.3 km to 1.3 km10.5% from 1.3 km to 1.3 km13.3% from 1.3 km to 1.3 km13.3% from 1.3 km to 1.3 km15.4% from 1.3 km to 1.3 km16.0% from 1.3 km to 1.3 km18.4% from 1.3 km to 1.3 km18.7% from 1.3 km to 1.3 km17.5% from 1.3 km to 1.3 km20.0% from 1.3 km to 1.3 km18.2% from 1.3 km to 1.3 km16.7% from 1.3 km to 1.3 km18.9% from 1.3 km to 1.3 km16.2% from 1.3 km to 1.3 km17.9% from 1.3 km to 1.3 km18.6% from 1.3 km to 1.3 km19.5% from 1.3 km to 1.3 km16.7% from 1.3 km to 1.4 km20.5% from 1.4 km to 1.4 km22.0% from 1.4 km to 1.4 km19.6% from 1.4 km to 1.4 km19.1% from 1.4 km to 1.4 km6.5% from 1.4 km to 1.4 km8.3% from 1.4 km to 1.4 km10.3% from 1.4 km to 1.4 km12.2% from 1.4 km to 1.4 km11.4% from 1.4 km to 1.4 km10.5% from 1.4 km to 1.4 km12.2% from 1.4 km to 1.4 km13.2% from 1.4 km to 1.4 km10.5% from 1.4 km to 1.4 km11.9% from 1.4 km to 1.4 km11.6% from 1.4 km to 1.4 km10.3% from 1.4 km to 1.4 km10.0% from 1.4 km to 1.4 km11.1% from 1.4 km to 1.4 km8.5% from 1.4 km to 1.4 km8.9% from 1.4 km to 1.4 km10.0% from 1.4 km to 1.4 km10.0% from 1.4 km to 1.4 km8.1% from 1.4 km to 1.5 km8.9% from 1.5 km to 1.5 km7.3% from 1.5 km to 1.5 km10.5% from 1.5 km to 1.5 km10.5% from 1.5 km to 1.5 km8.1% from 1.5 km to 1.5 km7.3% from 1.5 km to 1.5 km10.5% from 1.5 km to 1.5 km8.6% from 1.5 km to 1.5 km10.0% from 1.5 km to 1.5 km7.5% from 1.5 km to 1.5 km10.3% from 1.5 km to 1.5 km7.9% from 1.5 km to 1.5 km8.9% from 1.5 km to 1.5 km7.7% from 1.5 km to 1.5 km7.5% from 1.5 km to 1.5 km6.8% from 1.5 km to 1.5 km9.5% from 1.5 km to 1.5 km9.3% from 1.5 km to 1.5 km12.5% from 1.5 km to 1.5 km2.9% from 1.5 km to 1.5 km2.9% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km2.4% from 1.5 km to 1.5 km0.0% from 1.5 km to 1.5 km2.1% from 1.5 km to 1.6 km0.0% from 1.6 km to 1.6 km1.4% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.6 km1.6% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.6 km4%5%5%4%4%12%4%0 m250 m500 m750 m1 km1.3 km1.5 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 4
Distance1.58 km / 0.98 miles
Elevation gain88.1 m / 289 ft
Average gradient5.6%
Maximum gradient20.3%
Elevation high115.5 m / 379 ft
Elevation low27.4 m / 90 ft
Climb difficulty score8,814.52

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
Bonnie Branch & Beechwood Climb - perfect for repeats
Ilchester, Howard County
1.88 km5.4%101 m
BB Bwood 4 Everest safe start
Ilchester, Howard County
1.86 km5.9%109 m
RC's Favorite
Ilchester, Howard County
1.74 km4.5%77 m
Ilchester Bridge to 2nd flat
Ilchester, Howard County
1.78 km6.6%117 m
Full Ilchester Uphill
Ilchester, Howard County
1.76 km6.8%120 m

Climb Rank

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

🗺

This climb ranks 668,277th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 54,878th most difficult cycling climb of all 337,250 climbs in United States.

📉

Places 622nd out of 8,798 cycling climbs in Maryland.

⚖

Ranks 40th out of 649 cycling climbs in Howard County.

⚖

Ranking 19th out of 72 cycling climbs in Ilchester.

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