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Left Hand Section 1

📍
North Foothills Highway, Altona, Boulder County, Colorado, United States
Cat. 4Flag this climb

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Climb Stats

Combined metric and imperial stats for quick route planning.

Climb categoryCat. 4
Distance4.14 km / 2.57 miles
Elevation gain93.4 m / 306 ft
Average gradient2.3%
Maximum gradient17.1%
Elevation high1,802.6 m / 5,914 ft
Elevation low1,705.7 m / 5,596 ft
Climb difficulty score9,346.68

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
LHC - Greenbriar to Olde Stage
Altona, Boulder County
4.01 km2.2%87 m
36 & Lefthand Canyon Dr to Lefthand Canyon Dr & Old Stage Rd
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4.06 km2.4%123 m
Fire station to Ward turnoff
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6.87 km2.8%189 m
Crestview Climb
Altona, Boulder County
3.01 km4.9%147 m
car to Ward turn
Altona, Boulder County
8.28 km2.6%217 m

Climb Rank

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

🗺

This climb ranks 621,050th out of 2,710,648 worldwide cycling climbs.

🧮

Ranked as the 50,247th most difficult cycling climb of all 337,249 climbs in United States.

📉

Places 3,605th out of 13,296 cycling climbs in Colorado.

⚖

Ranks 600th out of 1,886 cycling climbs in Boulder County.

⚖

Ranking 38th out of 44 cycling climbs in Altona.

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