Mount Diablo Scenic Boulevard

Embark on a challenging touring bicycle adventure with the Mount Diablo and Iron Horse Trail Loop, a route that spans 33.1 miles (53.2 km) and features a significant 2481 feet (756 metres) of elevation gain. This difficult ride, typically completed in about 3 hours and 33 minutes, offers a dramatic contrast in scenery. You will start on the mostly flat, paved Iron Horse Trail, winding through urban and suburban areas shaded by trees, before transitioning to the strenuous mountain climbs of Mount Diablo. As you ascend, you'll be rewarded with increasingly expansive panoramic views, reaching up to 200 miles on a clear day from spots like Curry Point and the summit, encompassing the Sierra Nevada mountains and the entire Bay Area.

When planning your visit, be aware that this route combines the gentle, service-rich sections of the Iron Horse Trail with the more isolated, demanding ascents of Mount Diablo. While towns along the Iron Horse Trail offer convenient amenities, services become very limited once you begin climbing Mount Diablo. Therefore, it is crucial to prepare adequately for hydration, nutrition, and potential weather changes, especially when tackling the mountain portion of your ride. Consider starting early to make the most of daylight and cooler temperatures on the climbs.

This unique loop is notable for its blend of two distinct cycling environments, offering an

The Curry Point loop is a difficult touring cycling route that promises a challenging ride with significant elevation changes within Mount Diablo State Park. This 19.7-mile (31.7 km) journey involves a substantial 2097 feet (639 metres) of climbing, typically taking about 2 hours and 33 minutes to complete. As you pedal, you will traverse diverse habitats, from serene oak woodlands to rugged chaparral, offering glimpses of local wildlife and vibrant wildflowers, particularly in spring. Reaching high points like Curry Point rewards you with expansive panoramic views; on a clear day, you can even spot up to 40 of California's counties. Be ready for the steep grades that Mount Diablo's roads are famous for, making this a demanding but rewarding experience.

When planning your trip, you will find parking generally available at various access points around Mount Diablo State Park and the nearby town of Danville. It is important to note that while the Curry Point loop itself is primarily a hiking trail, this touring cycling route utilizes paved roads and suitable fire roads within the park. Always confirm the latest park regulations and current trail conditions before you set out, especially if you intend to explore any unpaved sections. Remember that most single-track trails within the park are closed to bicycles, so stick to designated cycling paths.

This route offers a unique opportunity to experience the challenging terrain of Mount Diablo State Park from a touring bicycle. The park is renowned for its ecological diversity, hosting a variety of plant and animal species across its varied landscapes. Beyond the physical challenge, the route provides a chance to connect with nature and enjoy the tranquility of the park. The significant climbs are a hallmark of cycling in this area, drawing riders who appreciate a strenuous workout paired with stunning vistas.

The Curry Point – Mount Diablo Summit loop from Monte Vista High School offers a classic Bay Area touring cycling challenge. This difficult 27.7-mile (44.6 km) route takes you on a relentless climb up Mount Diablo, gaining 3555 feet (1084 metres) in about 3 hours and 22 minutes. You'll ride through diverse habitats, from oak woodlands to chaparral, with the scenery becoming increasingly dramatic as you ascend towards the summit's expansive 360-degree views.

To tackle this ride, you'll start near Monte Vista High School. Be prepared for a sustained uphill effort on mostly paved roads, with some sections reaching a challenging 13% grade. While the state park entrance is free for cyclists, the descent demands caution due to speed and traffic. This route is ideal for experienced cyclists seeking a significant physical test and incredible vistas.

Mount Diablo is considered one of the region's iconic hill climbs, having even hosted a stage of the Tour of California. The sensation of truly climbing a mountain is a key draw, with sightlines from the 3,849-foot peak extending up to 200 miles on clear days. The park has also implemented 48 bicycle turnouts to enhance safety, making this a well-regarded and unforgettable cycling experience.