The best gravel rides in Orange County

The Waterworks Flow Trail – Trabuco Creek loop offers a diverse gravel biking experience, blending the fast, flowy singletrack of the Waterworks Trail with the scenic dirt and gravel paths along Trabuco Creek. You'll pedal through picturesque oak woodlands and meadows, enjoying the sound of the creek, with the added adventure of potential creek crossings and sections with loose sand and rocks. It's a great way to explore the natural beauty of Orange County on two wheels.

This moderate 18.5-mile (29.8 km) route, featuring 1097 feet (334 metres) of elevation gain, typically takes about 2 hours and 28 minutes to complete. While the Waterworks section is known for being accessible, the Trabuco Creek portions introduce varied terrain and some technical spots, making it a good challenge for intermediate gravel cyclists. Be ready for potential wet creek crossings, especially after rain.

The loop provides a fantastic opportunity to experience the varied landscapes of the Trabuco Canyon region, from dynamic singletrack to serene creek-side trails. It's a popular choice for local riders seeking a rewarding outing that combines engaging features with natural scenery, making it one of the best gravel bike trails Orange County near Santa Margarita.

The Serrano Ridge Trail – Shady Canyon Trail loop offers a challenging gravel biking experience through diverse Southern California landscapes, providing a brief escape from the city without leaving Irvine. You'll navigate fire roads with hard-packed clay, loose sections, and some sandy stretches, enjoying expansive views of the San Gabriel and Santa Ana mountains, and even downtown Los Angeles from Serrano Ridge on clear days. This difficult 17.4-mile (28.0 km) route includes 1807 feet (551 metres) of elevation gain, typically taking around 2 hours and 25 minutes to complete.

This popular route is accessible from the University of California, Irvine. Be aware that Serrano Ridge has very little shade, so plan to carry ample water, especially during warmer months. While the Shady Canyon Trail is open year-round, bridges can become slippery in the mornings or after rain, so exercise caution. This loop is best suited for riders with very good fitness who are comfortable with steep climbs and varied terrain.

This loop is highly rated within the Komoot community and is part of a larger network of trails, with Shady Canyon Trail serving as a backbone for connecting to other routes. The trail traverses diverse ecosystems, including coastal sage scrub, chaparral, riparian wetlands, and oak woodlands, and passes through Bommer Canyon Preserve, noted for its sycamore canopy and preservation efforts for local flora and fauna.

This challenging gravel biking route from Santiago Canyon College takes you deep into Orange County's varied terrain, offering a demanding workout with rewarding views. You'll navigate fire roads and rocky doubletrack through chaparral and oak woodlands, with the landscape changing dramatically as you gain elevation. The highlight is the climb to Beeks Place and the Doppler Tower, where you'll find panoramic vistas stretching to the ocean and Sierra Peak.

Plan for a difficult 32.0-mile (51.5 km) ride with a significant 3367 feet (1026 metres) of elevation gain, typically taking around 4 hours and 9 minutes. Starting from Santiago Canyon College, it's wise to begin early, especially on weekends, as the trail can get crowded. Be prepared for potentially muddy conditions on Black Star Road after rain, and always stay on public access roads to avoid issues with private property owners.

Beyond the physical challenge, this route offers a glimpse into local history with the ruins of Beeks Place, a 1930s weekend getaway. The area is also home to Native American historical sites and diverse wildlife, though you should be mindful of poison oak. This loop is a true test for advanced gravel bikers seeking a substantial adventure in the region.