Independence Pass climb from Twin Lakes to Aspen
Independence Pass climb from Twin Lakes to Aspen
4.6
(4337)
18,562
riders
06:41
125km
2,230m
Road cycling
Challenge yourself on the Independence Pass climb from Twin Lakes to Aspen, a difficult 77.7-mile road cycling route with 7,328 feet of gain
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
8.80 km
Highlight (Segment) • Climb
Tip by
62.3 km
Difficult Campground
Public Water Fountain
64.4 km
Highlight (Segment) • Climb
Tip by
125 km
End point
Parking
Way Types & Surfaces
Way Types
124 km
1.01 km
Surfaces
122 km
2.13 km
1.01 km
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Elevation
Highest point (3,690 m)
Lowest point (2,470 m)
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Weather
Powered by Foreca
Tuesday 26 May
14°C
3°C
66 %
Additional weather tips
Max wind speed: 10.0 km/h
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This route was planned by komoot.
You can typically find parking near Twin Lakes to begin your ride. Services are very limited in Twin Lakes, so it's best to arrive prepared with all necessary supplies.
While the road itself is not a traditional trail for dogs, if you are cycling, dogs are generally not recommended to accompany you due to the high altitude, traffic, and strenuous nature of the ride. If you plan to stop at any trailheads along the way within the Pike-San Isabel National Forests, always keep dogs on a leash and follow all posted regulations.
The best time to cycle Independence Pass is generally from late spring to early fall, after the road officially opens to vehicles (typically around Memorial Day) and before it closes for winter. However, an insider tip for cyclists is to ride in early spring after the snow melts but before the road opens to motorized vehicles. During this period, you can enjoy a unique, car-free experience.
No specific permits or fees are required to cycle the Independence Pass road itself. However, the route passes through the Pike-San Isabel National Forests. While there are no general entrance fees for the forest, some specific recreational sites or campgrounds might have fees. Always check for local regulations if you plan to stop at any specific areas.
Starting from Twin Lakes, the road begins with about 13 miles of rolling climbs through a valley, followed by 4 miles of steeper climbing and switchbacks to the summit. The east side climb from Twin Lakes is considered less challenging than the Aspen side, with moderate grades for the first 12 miles through forests and meadows. The real climbing begins after 12.5 miles, with grades approaching 7% and three switchbacks before reaching the summit.
The ride offers spectacular scenery, including forested areas, meadows, and alpine tundra above the tree line. You'll follow the Roaring Fork River, pass through aspen groves, and experience expansive mountain views. The final two miles to the summit are particularly breathtaking, often featuring snowfields even in summer. You'll also pass the highlight Independence Pass climb from Twin Lakes.
This is a difficult, high-altitude ride, reaching 12,095 feet above sea level. Cyclists need to be in excellent physical condition and prepared for the effects of thin air. Weather can change rapidly, with cold temperatures and even snow possible at the summit year-round, so bring layers. There are also narrow sections, especially on the Aspen side, where vigilance for traffic is crucial.
Services are very limited outside of Aspen. Twin Lakes has only a general store, so carrying extra food, water, and any necessary supplies for the entire ride is essential. There are no cafes or dedicated water stops directly on the pass itself.
Yes, the route intersects with several other trails. You'll find sections that overlap with the ADT - Colorado C - Q - Seg 4, CDT - Colorado Section, and the Colorado Trail, including segments like Colorado Trail Seg. 11 Half Moon Creek to Clear Creek Road. Other smaller trails like Difficult Creek Trail and Lost Man Loop Trail are also in the vicinity.
While the full out-and-back to Aspen is a much longer endeavor, focusing on the climb from Twin Lakes to the summit and returning to Twin Lakes, it can take two to three hours to reach the top and about an hour to descend. This depends heavily on your fitness level and how often you stop to enjoy the views.
Yes, a unique opportunity for cyclists is in early spring, after the snow has melted but before Independence Pass officially opens to motorized vehicles (typically around Memorial Day). During this period, you can experience the climb without car traffic, enjoying a 'pure' cycling experience with only the sounds of nature and your bike.