4.8
(4160)
16,439
riders
02:17
23.9km
620m
Mountain biking
Mountain bike the moderate Rainbow Trail via Colfax Lane loop in San Isabel National Forest, offering scenic views and diverse terrain.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
San Isabel National Forest
Waypoints
Start point
Parking
14.9 km
Highlight (Segment) • Trail
Tip by
23.9 km
End point
Parking
Way Types & Surfaces
Way Types
9.91 km
8.85 km
5.18 km
Surfaces
14.0 km
9.95 km
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Sign up for freeElevation
Highest point (3,030 m)
Lowest point (2,530 m)
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Sign up for freeWeather
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Today
Monday 19 October
13°C
2°C
11 %
Additional weather tips
Max wind speed: 9.0 km/h
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This route was planned by komoot.
You can typically access the Rainbow Trail via the Colfax Lane access point. Parking is usually available at or near this trailhead within the San Isabel National Forest. Always check local signage for specific parking regulations.
This specific loop is generally rated as moderate. It's described as a non-technical double track trail, meaning it's less challenging in terms of obstacles than singletrack. However, its length of nearly 24 kilometers and elevation gain of over 600 meters require good fitness. While this loop is smoother, other sections of the broader Rainbow Trail can be rocky, steep, and loose.
The loop offers beautiful scenery, including views out from the Sangre de Cristo Mountains. You'll pass by creek waterfalls and experience a mix of exposed sections and areas shaded by trees on the slope of Beck Mountain. The wider Rainbow Trail is known for rambling through spruce forests, aspen groves, and high mountain meadows.
Yes, dogs are generally allowed on trails within the San Isabel National Forest. However, they must be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users. Always practice Leave No Trace principles, including packing out pet waste.
Generally, there are no specific permits or entrance fees required to access the Rainbow Trail via Colfax Lane loop within the San Isabel National Forest for day use. However, regulations can change, and some areas might require permits for specific activities or overnight stays. It's always a good idea to check the official U.S. Forest Service website or local ranger district for the most current information before your visit.
Given its average elevation of 9,000 feet, the best time to mountain bike this loop is typically from late spring through early fall (roughly May to October), once the snow has melted and before new snow arrives. Always check current trail conditions, as weather can be unpredictable in the mountains.
Yes, the Rainbow Trail in general is a multi-use trail. While this specific loop might be less trafficked by motorized vehicles, sections of the broader trail are open to hikers, horseback riders, and sometimes motorized vehicles like motorcycles and ATVs. Always be prepared to share the trail and yield appropriately.
For a moderate mountain bike ride of this length (nearly 24 km), you should pack plenty of water, snacks, a basic bike repair kit (spare tube, pump, multi-tool), a first-aid kit, sun protection (sunscreen, hat), and layers of clothing as mountain weather can change quickly. A helmet is essential.
The Colfax Lane access point is located within the San Isabel National Forest, so amenities directly at the trailhead are limited. For services like food, lodging, and bike shops, you would need to visit nearby towns such as Westcliffe or Salida. You can find more information about local services at visitwetmountainvalley.com.
Yes, the route primarily follows a section of the extensive Rainbow Trail (specifically, the official trail known as Rainbow - 1336). While this loop is a defined route, the Rainbow Trail itself is over 100 miles long and connects with many other trails throughout the San Isabel National Forest, including the Continental Divide and Colorado Trails further afield.
Yes, the Rainbow Trail has a rich history, dating back to 1912. It's older than many other famous long-distance trails and was originally built by the U.S. Forest Service for cattle and sheep grazing access, later extended by the Civilian Conservation Corps. It spans multiple counties and offers a glimpse into the region's past.
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