Snow Valley to Onyx Summit via Big Bear Lake

This route is classified as difficult and is best suited for advanced cyclists. It features significant and continuous elevation gains, particularly the climb to Onyx Summit, which is one of California's longest paved bike climbs. While the average grade is around 3.6%, sections can reach up to 11.2%. Expect sustained climbing, high altitude, and some downhill sections. Road conditions are generally good, with varying shoulder widths.

The route is approximately 85.6 km (53.2 miles) long with over 1,100 meters (3,700 feet) of elevation gain. Komoot estimates the duration to be around 4 hours, but this can vary significantly based on your fitness level, stops, and weather conditions. Given the challenging climbs and high altitude, plan for a substantial day out.

While the route officially starts in Snow Valley, parking options can be found near Big Bear Lake, which is a central point along the route. Specific parking information for Snow Valley or Onyx Summit trailheads for cyclists is not readily available, so planning parking in Big Bear Lake and adjusting your start point might be a practical approach.

Generally, no specific permits or entrance fees are required for road cycling on paved public roads within the San Bernardino National Forest. However, always check the latest regulations from the U.S. Forest Service before your ride, especially if you plan to venture onto unpaved forest roads or trails, as rules can change.

The best time to cycle this route is typically from late spring through early fall (May to October) when the roads are clear of snow and ice. However, be aware that even in summer, conditions at Onyx Summit (8,443 feet) can be significantly colder and windier than at lower elevations. Always check the weather forecast before heading out.

No, this route is not recommended for beginners or families. It is rated as 'difficult' due to its significant elevation gain, long climbs, and high altitude. It requires a high level of physical fitness and experience with challenging road cycling conditions.

While dogs are generally allowed in the San Bernardino National Forest on leash, this specific road cycling route is not ideal for dogs. The long distances, significant climbs, high speeds, and potential for traffic make it unsuitable for bringing a dog along on a bicycle.

Yes, there are a few options. Angelus Oaks, located roughly 11.5 miles along the Highway 38 segment (if starting from that direction), offers food and beverages at The Oaks restaurant and Country Store. Big Bear Lake also has numerous amenities in its Big Bear Restaurant & Lodges District. Plan your stops carefully, especially for water, as services can be sparse between these points.

You'll experience stunning alpine scenery within the San Bernardino National Forest, including diverse forest environments, canyon vistas, and views extending to Mentone and Redlands. As you gain elevation, you'll be immersed in the mountain landscape. The route also offers picturesque views of Big Bear Lake and passes by the Rim of the World Scenic Byway and Shelter Cove.

Onyx Summit is the highest paved through-road in Southern California, reaching 8,443 feet. This means you'll be cycling at high altitude, which can impact performance and requires proper hydration. Weather conditions at the summit can be significantly colder and windier than at lower elevations, even on a warm day. Be prepared for rapid weather changes, and pack layers.

While primarily a road cycling route, it does briefly pass through sections of the Alpine Pedal Path, Lakeview Loop, and Green Canyon Road. These are mostly short overlaps or adjacent segments rather than direct intersections for continuous off-road cycling.

Key highlights include the scenic Rim of the World Scenic Byway (Big Bear Lake), the tranquil Shelter Cove, and the challenging ascent to Onyx Summit itself. You'll also pass through the Big Bear Restaurant & Lodges District, offering opportunities for breaks and provisions.