The best gravel rides in Sanborn County Park

This Mine Hill Trailhead – Mount Umunhum Road loop from Oak Meadow offers a demanding gravel biking experience through the Santa Cruz Mountains. You'll navigate a mix of dirt paths, gravel roads, and some paved sections, with the terrain shifting from shaded oak woodlands in Almaden Quicksilver County Park to exposed ridgelines. The highlight is undoubtedly the summit of Mount Umunhum, providing incredible 360-degree panoramic views of the Santa Clara Valley and Monterey Bay, complete with the iconic old radar tower.

Be prepared for a serious workout; this difficult 32.0-mile (51.5 km) route features 2955 feet (901 metres) of elevation gain, taking around 3 hours and 41 minutes to complete. The Mine Hill Trail and Mount Umunhum Road are known for sustained, steep climbs, with some sections exceeding 15-20% grade. Starting from Oak Meadow Park in Los Gatos, ensure you carry ample water, especially during warmer weather, as parts of the route are fully exposed.

Beyond the physical challenge, the area is rich in history, particularly Almaden Quicksilver County Park, which was a major cinnabar mining site. You can explore historical remains, including old mining sites, along the route. This loop is a significant test of endurance and fitness, making it a rewarding choice for experienced gravel cyclists looking for a challenging ride with historical context and expansive views.

The Stevens Creek Reservoir – White Oak Trail loop offers a truly challenging gravel biking experience, winding through diverse landscapes from paved sections near De Anza College to demanding unpaved trails in Upper Stevens Creek County Park. You'll navigate through mature stands of Douglas firs and redwoods, alongside oak woodlands, and chaparral-covered ridges, with rewarding views of surrounding valleys and the prominent Stevens Creek Reservoir. The terrain includes loose rock, hardpack, and redwood needles, providing a varied and engaging ride for those with very good fitness.

This difficult 26.5-mile (42.7 km) route, with its substantial 3309 feet (1008 metres) of elevation gain, typically takes around 3 hours and 18 minutes to complete. Be prepared for demanding climbs and sections where you might need to push your bike. Knobby tires are highly recommended for the White Oak Trail, especially in dry conditions, to handle the varied surfaces effectively.

Part of a broader network within the Santa Cruz Mountains, this loop connects to the 93-acre Stevens Creek Reservoir and offers a glimpse into the region's natural beauty. The combination of demanding climbs and diverse natural landscapes makes this a notable and challenging option for experienced gravel bikers looking for a significant workout and scenic exploration.

The View from Maisie's Peak – Seven Springs Loop offers a challenging gravel biking adventure with incredible rewards. You'll navigate a mix of paved roads, fire roads, and some technical singletrack, winding through woodlands and open spaces within the Fremont Older Open Space Preserve. The route culminates at Maisie's Peak, providing panoramic views of the Santa Clara Valley and the Diablo Mountain Range, especially stunning when the hills are green and wildflowers bloom in spring. This difficult 13.7-mile (22.0 km) loop involves 1603 feet (489 metres) of elevation gain and typically takes around 1 hours and 54 minutes, demanding very good fitness.

Starting from De Anza College, this route is best enjoyed by experienced gravel bikers ready for a significant workout. Parking is available at the college, making it a convenient trailhead. Consider visiting in spring to catch the vibrant wildflowers along the Seven Springs Loop, but be aware that some trails, like Toyon Trail, might have seasonal closures, especially after rain. Always check local conditions before you head out.

This loop is a standout for its varied terrain and the spectacular payoff at Maisie's Peak, the highest point in the preserve. Beyond the views, the preserve is home to diverse wildlife, including coyotes, and offers a glimpse into the region's natural beauty. It's a fantastic option for those seeking advanced gravel biking routes near Cupertino, combining a physical challenge with memorable scenery.