Sierra Peak via Coal Canyon Trail Loop

This loop is considered hard and is best suited for strong intermediate to advanced mountain bikers. It demands very good fitness due to sustained climbs and steep, potentially technical descents. It is not recommended for beginners.

The terrain is primarily a fire road, with sections that vary from well-maintained to rutted, steep, and loose. Expect significant elevation changes, especially on the long climb, which can be challenging due to loose surfaces. The descent is notably a 'super steep fire road descent' with large ruts, loose rock, and off-camber turns, requiring caution.

Riders are treated to expansive and breathtaking views throughout the ride. From the Sierra Peak Summit, you can see across Orange County, Corona, Riverside, distant mountain ranges like San Gorgonio, and even the Pacific Ocean and Catalina Island on clear days. The trail also offers views of Chino Hills State Park and varied vegetation.

Parking is available near the trailhead, often at the entrance to Coal Canyon. Specific parking areas can be found by searching for 'Coal Canyon Trailhead parking Corona CA' or similar. Always check local signage for any restrictions.

The trail passes through Chino Hills State Park. While the Coal Canyon Trail itself might not always require a specific permit, Chino Hills State Park typically has an entrance fee. It's advisable to check the official Chino Hills State Park website for current fees and regulations before your visit.

Regulations for dogs can vary within Chino Hills State Park and the surrounding areas. Generally, dogs are allowed on leash in many parts of the park, but always confirm specific rules for the Coal Canyon Trail and other segments you plan to ride. Be prepared to pack out all waste.

The best time to mountain bike this route is typically during the cooler months, from fall through spring. Summers can be very hot, making the strenuous climbs even more challenging. Always check weather forecasts and trail conditions before heading out, especially after rain, as sections can become muddy or rutted.

Yes, the route incorporates sections of several other paths. You will ride along parts of the Santa Ana River Bicycle path, Coal Canyon Trail, Leonard Road, Pipeline Trail, Coal Canyon Road, Santa Ana River Trail, Telephone Trail, and Windy Ridge Trail.

E-bike regulations can vary, especially within state parks and wilderness areas. It's crucial to check the most current rules for Chino Hills State Park regarding e-bike usage on trails. Some trails may restrict certain classes of e-bikes or prohibit them entirely.

The descent from Sierra Peak is often cited as a standout feature due to its 'super steep fire road descent.' It offers an exciting and memorable experience, but requires significant caution due to its speed, large ruts, loose rock, and off-camber turns. It's a thrilling challenge for experienced riders.

While there are no facilities directly at the trailhead, you can find cafes, pubs, and accommodation options in nearby towns such as Corona, Anaheim Hills, or other communities surrounding Chino Hills State Park. Plan to bring all necessary supplies for your ride.