46
riders
7
rides
Touring cycling around Alta Sierra, California, offers routes through the Sierra Nevada foothills, characterized by rolling hills and forests. The area features varied elevation, from moderate climbs to significant ascents, with many routes utilizing mostly paved surfaces. Cyclists can explore a tree-filled environment and find routes with views of rivers and gorges.
Last updated: June 25, 2026
9
riders
40.0km
03:54
1,190m
1,190m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
39.0km
03:11
1,230m
1,230m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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11.2km
00:49
220m
220m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
78.5km
07:11
1,790m
1,790m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
riders
6.04km
00:25
100m
100m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Alta Sierra
The brick tells a fascinating story about a small Gold Rush town that was burnt down and rebuilt multiple times until the gold is running out.
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Grass Valley, CA, nestled in the Sierra Nevada foothills, offers a blend of historic charm and natural beauty. The town is known for its scenic surroundings that are characterized by rolling hills, forests, and mountain views. The downtown area features Gold Rush-era architecture that houses boutique shops, cafes, and art galleries, making it a great place to begin or end a ride.
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Colfax sits at an elevation of 2,400 feet between the grasslands of Central California and the mountains of Tahoe. The town is known for its railroad history and outdoor recreation.
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Old Bear River Bridge was saved from demolition by the Colfax Highway Association, led by a citizens group, and made this bridge into a monument in 1992. On the north side of bridge and around on the trail to the east to this point is a great place to read about the history and get a good look at it.
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Colfax Cemetery is a small sized cemetery but it has over 3,000 memorials. A lot of graves date back to the 1850s and are well maintained. The trees here are beautiful as well.
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First Transcontinental Railroad Colfax monument gives a brief history of the importance of this area. In summary, it recognizes how the town of Colfax was a vital construction supply depot during the building of the transcontinental railway for 10 months.
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Sugar Pine Reservoir Dam serves as the water supply for the Foresthill community. Visitors can find a day-use and swimming area featuring restrooms, drinking water facilities, and a campground just 1.2 miles down Iowa Hills Road heading east. The reservoir is home to rainbow trout and bass.
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Iowa Hill was settled in the 1850s during the gold rush. The town was destroyed by fires a few times, and rebuilt. The ruins include the original Wells Fargo Bank vault, and old store, both original from the 1800s. Today a few hundred people live here among the historical structures. Look down in the river and find folks still panning for gold today.
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There are 7 touring cycling routes documented on Komoot for the Alta Sierra area. These routes primarily feature challenging terrain, with 6 classified as difficult and 1 as moderate, offering varied elevation and scenic views through the Sierra Nevada foothills.
While most routes around Alta Sierra are rated as difficult due to significant elevation changes, there is one moderate option: the Colfax to Old Bear River Bridge loop. This 7-mile route offers a less strenuous ride with views of the North Fork American River, making it a good starting point for those new to the area's terrain.
Touring cyclists in Alta Sierra can expect a diverse landscape characterized by rolling hills, dense forests, and impressive mountain views. The routes often feature varied elevation gains, from moderate climbs to significant ascents of over 1,700 meters. Most cycling paths in the region are on mostly paved surfaces, suitable for touring bikes.
Yes, several touring cycling routes in Alta Sierra are designed as loops. For example, the challenging Nevada City – Stamp Mill Ruins loop from Grass Valley covers 54.7 miles through rolling hills and forests. Another option is the Colfax – Colfax Cemetery loop from Colfax, a difficult 48.8-mile route with substantial elevation.
The Alta Sierra region is rich in history and natural beauty. Along your rides, you might encounter attractions such as the historic Stevens Trail and Cave, offering scenic views. The North Fork American River is a prominent natural feature, visible on routes like the Colfax to Old Bear River Bridge loop. Additionally, the nearby Empire Mine State Historic Park, one of California's largest gold mines, is a notable point of interest.
Absolutely. The charming and historically rich town of Grass Valley, nestled in the Sierra Nevada foothills, serves as an excellent starting or ending point for several rides, including the Bike loop from Grass Valley. It offers Gold Rush-era architecture, boutique shops, cafes, and art galleries, providing cultural interest and amenities for cyclists.
Given its location in the Sierra Nevada foothills, Alta Sierra offers pleasant cycling conditions during spring and fall when temperatures are milder. Summer can be warm, especially at lower elevations, while winter may bring cooler temperatures and occasional precipitation, though many paved routes remain accessible. Always check local weather conditions before heading out.
Yes, the region is known for its proximity to significant natural features like the North Fork American River. The Colfax to Old Bear River Bridge loop and the Yankee Jims Bridge – North Fork American River loop from Colfax both offer scenic views of the North Fork American River, known for its beauty and whitewater rapids.
Over 50 touring cyclists have explored the Alta Sierra region using Komoot. While specific ratings are not available, the community frequently praises the diverse terrain, from rolling hills to challenging mountain ascents, and the scenic beauty of the forests and river views. The mostly paved surfaces are also appreciated for touring bikes.
Yes, Alta Sierra itself has a small commercial district that provides convenient amenities for touring cyclists, including restaurants and a gas station. Additionally, nearby historic towns like Grass Valley offer a wider range of cafes, shops, and services, making them ideal spots for breaks or resupply during your ride.
The longest touring cycling route in Alta Sierra is the Nevada City – Stamp Mill Ruins loop from Grass Valley, which spans 54.7 miles (88.0 km). This difficult route takes approximately 6 hours and 14 minutes to complete, guiding you through rolling hills and forests with significant elevation changes.


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