4.8
(95)
8,322
riders
156
rides
Road cycling around Eldorado Springs features diverse terrain with dramatic canyon walls, lush creek sides, and mountain views. The area offers a mix of paved roads and some sections that may include gravel, catering to various road cycling preferences. Elevation gains are common, providing challenging climbs and scenic descents through natural landscapes. The region is characterized by its significant natural features, including Eldorado Canyon State Park and South Boulder Creek.
Last updated: May 10, 2026
107
riders
This moderate gravel cycling loop offers a diverse experience across 24.3 miles (39.1 km) with a significant 2420 feet (738 metres) of elevation gain. You can expect to complete it in about 3 hours and 9 minutes. The route combines paved roads, bike paths, and unpaved sections, providing a true gravel adventure. As you ride, you'll pass through wide open spaces and meadows near the NCAR Visitors Center, offering clear views of the iconic Flatirons. Climbing Chapman Drive, you'll enjoy the shade of the forest and winding paths, leading to various scenic overlooks.
This loop is considered a challenging gravel ride, so you should have very good fitness due to the substantial climbing involved. Parking is usually available near Table Mesa, which makes for a convenient starting point. Be aware that there was construction happening at the Chapman Drive Trailhead and a part of the Boulder Canyon Trail as of April 2025. This means you might encounter detours or need to take safety precautions in those areas. Always check for current conditions before you head out.
This route showcases the stunning natural beauty characteristic of the Boulder area, blending urban edges with mountain landscapes. Beyond the Flatirons, you'll follow the Boulder Creek Path, enjoying views alongside the creek and through the canyon. The Flagstaff Road Scenic Drive also provides picturesque panoramas of the surrounding environment. It's a great way to experience the varied terrain and vistas of Boulder Open Space and Mountain Parks.
5.0
(1)
23
riders
55.1km
03:37
1,260m
1,260m
This difficult 34.2-mile gravel cycling loop near Boulder offers challenging climbs, 4147 feet of elevation gain, and stunning mountain view

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24
riders
33.9km
01:47
450m
450m
Cycle the moderate 21.1-mile NCAR and Eldorado Springs loop from Table Mesa, gaining 1465 feet with stunning mountain and canyon views.
5.0
(2)
18
riders
27.6km
01:27
370m
370m
Road cycling the NCAR loop from Table Mesa offers a moderate 17.2-mile climb with great views of the Boulder Flatirons.
5.0
(4)
205
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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This location has a portable toilet paid for by a member of the cycling community. For more details https://boulderbeat.news/2023/04/19/biking-porta-potties/
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Frank Varra Park is home to a few running paths and Frank Varra Pond, which is a small reservoir with a children's playing area. The Rock Creek Trail is the main path running through the park and can be connected to neighboring trails to make bigger (or smaller) loops.
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Frank Varra Park is home to a few running paths and Frank Varra Pond, which is a small reservoir with a children's playing area. The Rock Creek Trail is the main path running through the park and can be connected to neighboring trails to make bigger (or smaller) loops.
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One of the many Open Spaces within the city of Westminster, Walnut Creek connects to a trail network of over 120 miles. Included in these trails is the 16 mile US 36 Bikeway, a paved bike path that runs from Boulder to Westminster.
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Walnut Creek Open Space is one of Westminster's many open space parks that are connected to one another through over 120 miles of trails.
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This short section of the Big Dry Creek Trail passes through the Big Dry Creek Open Space near the Butterfly Pavilion in Westminster, Colorado. The trail crosses the meandering Big Dry Creek through tall grasses.
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The road up Flagstaff from Chautauqua to Chapman Drive, where you can continue to Artists Point overlooking Boulder, is an iconic Boulder climb. This fun, twisting road (whether you ride up or down) grants you great views over the city as you pass by large sandstone boulders and cliffs, stands of pine trees, and several viewpoints. Watch out for cars on both the ascent and descent, this is a very popular drive for tourists and locals alike and there are several well-trafficked hiking trails off of the road.
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From this overlook, which has a bike repair station if needed, you get fantastic, sweeping views of the Flatirons and the town of Boulder.
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Eldorado Springs offers a wide variety of road cycling routes, with over 150 tours available on komoot. These routes cater to different skill levels, including easy, moderate, and difficult options, ensuring there's something for every cyclist.
Road cycling in Eldorado Springs features diverse terrain, characterized by dramatic canyon walls, lush creek sides, and impressive mountain views. While many roads are paved, some sections, particularly within Eldorado Springs itself or on trails like Fowler Trail, may turn to gravel. Cyclists should be prepared for mixed surfaces and varying elevation gains.
Yes, Eldorado Springs offers several challenging routes. For instance, the Super Flag, Gross Reservoir, and Coal Creek loop is a difficult 34.2-mile ride with significant elevation gain, providing a demanding experience for advanced cyclists.
While many routes in Eldorado Springs feature elevation gains, some sections or nearby trails might be more suitable for families. For example, the Doudy Draw trail, though not exclusively for road bikes, offers a mostly flat creekside path that can be enjoyed by families. When planning, look for routes with lower elevation profiles and consider the surface type.
As you cycle, you'll encounter stunning natural beauty and significant landmarks. You might see the dramatic canyon walls of Eldorado Canyon State Park, often with rock climbers scaling the cliffs. Other notable viewpoints include the Davidson Mesa Overlook and the Continental Divide Overlook. The historic Eldorado Springs Swimming Pool, fed by an artesian spring, is also a unique sight.
The area is beautiful year-round, but late spring through early autumn generally offers the most pleasant conditions for road cycling. During autumn, the trees along the routes display vibrant fall colors, adding another layer of beauty to the experience. Always check local weather conditions before heading out, as mountain weather can change rapidly.
Yes, many of the road cycling routes in Eldorado Springs are designed as loops, allowing you to start and end at the same point. Popular examples include the NCAR and Eldorado Springs loop from Table Mesa and the NCAR loop from Table Mesa, both offering scenic circular rides.
Many road cycling routes in Eldorado Springs start from areas with designated parking. For example, routes originating from Table Mesa often have parking available. When planning your tour on komoot, check the route details for specific trailhead access and parking information.
While Eldorado Springs itself has limited commercial establishments, you can find cafes and pubs in nearby Boulder, which is easily accessible by bike from many routes. It's always a good idea to carry sufficient water and snacks, especially on longer rides, as stops might be infrequent directly along the more remote sections.
Given the mix of paved roads and potential gravel sections, especially within Eldorado Springs and on certain trails, consider using road bike tires that offer a bit more versatility and puncture protection. Tires with a slightly wider profile (e.g., 28-32mm) and a light tread can provide better comfort and grip on varied surfaces without significantly compromising speed on pavement.
The road cycling experience in Eldorado Springs is highly rated by the komoot community, with an average score of 4.7 stars from over 80 reviews. Cyclists frequently praise the stunning mountain and canyon views, the diverse terrain, and the challenging yet rewarding climbs. The area's natural beauty and well-maintained routes are often highlighted as key attractions.
Yes, there are easier options for those new to road cycling or looking for a more relaxed ride. While many routes involve elevation, some are considered moderate with manageable climbs. For example, the Eldorado Springs loop from Culinary School of the Rockies is a moderate 14.3-mile route that can be completed in about an hour, offering a good introduction to the area's cycling.


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