The best traffic-free bike rides in the San Gabriel Mountains

There are over 20 dedicated no-traffic road cycling routes in the San Gabriel Mountains listed in this guide. These routes offer a variety of distances and difficulty levels, ensuring there's something for every cyclist looking for a peaceful ride.

The San Gabriel Mountains generally offer favorable cycling weather year-round. However, spring and fall provide the most comfortable temperatures, avoiding the summer heat at lower elevations and potential winter snow at higher altitudes. Always check local weather forecasts, especially for mountain conditions, before heading out.

Yes, the region offers several easy, no-traffic routes suitable for families. For instance, the Rose Bowl Loop Trail is a popular, relatively flat option. Another great choice is the Santa Clara River – Iron Horse Bridge loop, which provides a longer, gentle ride along the river.

While many no-traffic routes follow river greenways or dedicated paths with minimal elevation gain, the San Gabriel Mountains are known for their challenging climbs. Routes like the Bosque del Rio Hondo – Rio Hondo Greenway loop offer gentle, consistent terrain. However, if you venture onto mountain roads (which may have some traffic, but are renowned for cycling), you'll encounter significant ascents and descents, with some peaks reaching over 10,000 feet.

Even on no-traffic routes, you can enjoy the natural beauty of the San Gabriel Mountains. Some routes pass near significant natural features like the Eaton Canyon Waterfall or offer views of the surrounding rugged landscape. The San Gabriel River Greenway loop, for example, follows a major waterway that drains much of the range.

Yes, many of the no-traffic routes in the San Gabriel Mountains are designed as loops, making them convenient for starting and ending at the same point. Examples include the Rose Bowl Loop Trail and the Roadbike loop from A B Miller High School, allowing for a continuous ride without needing a return trip.

Parking availability varies by route. For routes like the Rose Bowl Loop Trail, dedicated parking lots are often available near the starting points. For greenway routes, look for public parks or designated parking areas adjacent to the trailheads. Always check specific route details for the most accurate parking information.

The area is highly rated by the komoot community, with an average score of 4.5 stars from 72 ratings. Reviewers often praise the peacefulness of the dedicated paths, the scenic views, and the opportunity to enjoy a ride away from vehicle traffic, especially on the well-maintained greenways and loops.

While many no-traffic routes are designed for uninterrupted cycling, some may pass near urban areas or parks where cafes and facilities are accessible. For example, the Crystal Lake Campsite and Cafe is a notable spot in the broader San Gabriel Mountains area, though it might require a detour from strictly no-traffic paths. It's always advisable to carry sufficient water and snacks, especially on longer stretches.

Access to trailheads by public transport can vary. Many of the urban-adjacent greenway routes, such as those along the Rio Hondo or San Gabriel River, may be accessible via local bus lines or metro stations in the surrounding communities. Planning your journey with local public transport maps is recommended to find the best connection points.

While the majority of strictly no-traffic routes tend to be easier, focusing on dedicated paths and greenways, the San Gabriel Mountains region is renowned for its challenging road cycling. For experienced riders seeking significant elevation gains, routes like those leading to Mount Wilson or Mount Baldy offer formidable challenges, though these typically involve roads with some vehicle traffic. Within the no-traffic category, you might find longer loops that test endurance, such as the Roadbike loop from A B Miller High School, which covers over 36 km.