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Portal to Black Mountain Rd

📍
501, West Santa Inez Avenue, Hillsborough, San Mateo County, California, 94010, 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 Portal to Black Mountain Rd.

50 m85 m115 m150 m3.8% from 0 m to 5 m0.0% from 5 m to 10 m1.3% from 10 m to 41 m4.0% from 41 m to 61 m4.0% from 61 m to 76 m3.0% from 76 m to 96 m4.1% from 96 m to 101 m4.3% from 101 m to 110 m4.3% from 110 m to 115 m4.4% from 115 m to 119 m4.3% from 119 m to 124 m5.5% from 124 m to 142 m6.5% from 142 m to 151 m3.4% from 151 m to 169 m4.5% from 169 m to 182 m3.0% from 182 m to 196 m8.9% from 196 m to 200 m5.8% from 200 m to 214 m4.4% from 214 m to 223 m4.4% from 223 m to 228 m0.0% from 228 m to 232 m8.7% from 232 m to 237 m8.9% from 237 m to 246 m8.9% from 246 m to 250 m11.9% from 250 m to 264 m6.0% from 264 m to 280 m13.6% from 280 m to 292 m12.1% from 292 m to 304 m10.3% from 304 m to 315 m5.2% from 315 m to 323 m10.3% from 323 m to 331 m8.0% from 331 m to 346 m7.8% from 346 m to 361 m4.3% from 361 m to 380 m5.3% from 380 m to 383 m7.5% from 383 m to 402 m5.3% from 402 m to 410 m5.4% from 410 m to 421 m5.3% from 421 m to 443 m7.5% from 443 m to 462 m5.3% from 462 m to 469 m5.6% from 469 m to 477 m2.8% from 477 m to 484 m5.4% from 484 m to 487 m6.7% from 487 m to 502 m5.4% from 502 m to 506 m6.5% from 506 m to 525 m10.9% from 525 m to 536 m5.9% from 536 m to 546 m9.5% from 546 m to 552 m7.6% from 552 m to 565 m8.1% from 565 m to 582 m0.0% from 582 m to 586 m4.7% from 586 m to 607 m3.1% from 607 m to 620 m2.5% from 620 m to 644 m5.1% from 644 m to 648 m4.5% from 648 m to 675 m5.6% from 675 m to 700 m5.7% from 700 m to 703 m5.4% from 703 m to 722 m8.6% from 722 m to 740 m5.5% from 740 m to 748 m13.7% from 748 m to 755 m10.5% from 755 m to 766 m5.3% from 766 m to 770 m10.8% from 770 m to 778 m6.7% from 778 m to 796 m16.2% from 796 m to 799 m7.4% from 799 m to 810 m9.3% from 810 m to 821 m11.1% from 821 m to 824 m5.4% from 824 m to 839 m8.3% from 839 m to 854 m11.4% from 854 m to 857 m8.1% from 857 m to 867 m9.4% from 867 m to 880 m4.8% from 880 m to 892 m6.3% from 892 m to 899 m7.5% from 899 m to 915 m6.3% from 915 m to 921 m6.5% from 921 m to 934 m6.3% from 934 m to 943 m3.7% from 943 m to 959 m6.0% from 959 m to 973 m5.9% from 973 m to 976 m3.9% from 976 m to 986 m3.2% from 986 m to 1.0 km1.8% from 1.0 km to 1.0 km5.5% from 1.0 km to 1.0 km7.2% from 1.0 km to 1.0 km6.3% from 1.0 km to 1.1 km12.9% from 1.1 km to 1.1 km7.6% from 1.1 km to 1.1 km9.2% from 1.1 km to 1.1 km9.4% from 1.1 km to 1.1 km7.4% from 1.1 km to 1.1 km14.3% from 1.1 km to 1.1 km9.8% from 1.1 km to 1.1 km14.8% from 1.1 km to 1.1 km15.1% from 1.1 km to 1.1 km14.8% from 1.1 km to 1.1 km9.5% from 1.1 km to 1.1 km9.3% from 1.1 km to 1.2 km13.2% from 1.2 km to 1.2 km7.6% from 1.2 km to 1.2 km3.8% from 1.2 km to 1.2 km9.5% from 1.2 km to 1.2 km3.6% from 1.2 km to 1.2 km5.7% from 1.2 km to 1.2 km7.3% from 1.2 km to 1.2 km5.5% from 1.2 km to 1.2 km3.4% from 1.2 km to 1.2 km13.8% from 1.2 km to 1.2 km5.2% from 1.2 km to 1.3 km0.0% from 1.3 km to 1.3 km3.7% from 1.3 km to 1.3 km0.9% from 1.3 km to 1.3 km0.0% from 1.3 km to 1.3 km2.4% from 1.3 km to 1.3 km3.2% from 1.3 km to 1.3 km6.1% from 1.3 km to 1.3 km5.1% from 1.3 km to 1.4 km3.1% from 1.4 km to 1.4 km8.1% from 1.4 km to 1.4 km6.9% from 1.4 km to 1.4 km8.0% from 1.4 km to 1.4 km12.5% from 1.4 km to 1.4 km3.6% from 1.4 km to 1.4 km6.2% from 1.4 km to 1.4 km0.0% from 1.4 km to 1.4 km4.6% from 1.4 km to 1.5 km5.0% from 1.5 km to 1.5 km6.7% from 1.5 km to 1.5 km3.2% from 1.5 km to 1.5 km4.8% from 1.5 km to 1.5 km4.9% from 1.5 km to 1.5 km7.8% from 1.5 km to 1.5 km5.2% from 1.5 km to 1.6 km0.8% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.6 km-0.7% from 1.6 km to 1.6 km0.0% from 1.6 km to 1.6 km-4.5% from 1.6 km to 1.7 km-3.9% from 1.7 km to 1.7 km-5.5% from 1.7 km to 1.7 km-5.6% from 1.7 km to 1.7 km-5.8% from 1.7 km to 1.7 km-8.2% from 1.7 km to 1.7 km-4.4% from 1.7 km to 1.7 km-7.5% from 1.7 km to 1.8 km-2.9% from 1.8 km to 1.8 km4%7%6%7%8%5%-1%0 m250 m500 m750 m1 km1.3 km1.5 km1.8 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
Distance1.76 km / 1.09 miles
Elevation gain88.8 m / 291 ft
Average gradient5.1%
Maximum gradient13.2%
Elevation high148.2 m / 486 ft
Elevation low52.6 m / 173 ft
Climb difficulty score8,873.86

Similar Climbs Nearby

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

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ClimbLengthGradientAscent
Summit Steps - Oakdale to Bella Vista
Hillsborough, San Mateo County
1.73 km5.3%92 m
Ralston - Remillard to Barbara
Hillsborough, San Mateo County
2.02 km5%100 m
Ralston Ave (from robin rd)
Hillsborough, San Mateo County
1.98 km5.2%110 m
7 min efforts
Hillsborough, San Mateo County
2.18 km5.3%116 m
W Santa Inez - Roblar to Link
Hillsborough, San Mateo County
1.36 km6.1%83 m

Climb Rank

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

🗺

This climb ranks 662,658th out of 2,710,652 worldwide cycling climbs.

🧮

Ranked as the 54,314th most difficult cycling climb of all 337,250 climbs in United States.

📉

Places 16,952nd out of 66,571 cycling climbs in California.

⚖

Ranks 809th out of 2,437 cycling climbs in San Mateo County.

⚖

Ranking 59th out of 155 cycling climbs in Hillsborough.

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