Stewartville Trail loop from Contra Loma Reservoir

If you're looking for a touring cycling route that blends historical intrigue with challenging climbs and expansive views, the Stewartville Trail loop from Contra Loma Reservoir is a solid choice. This moderate 7.5-mile (12.0 km) route packs in 1200 feet (366 metres) of elevation gain, taking about 1 hour and 22 minutes to complete. It's best suited for cyclists with a sturdy touring or gravel bike who are ready for a workout and some unpaved sections.

What to expect on Stewartville Trail loop from Contra Loma Reservoir

The route unfolds across varied terrain, starting with a gradual climb through an oak-studded valley before ascending more steeply to a ridge. You'll navigate doubletrack, old mining roads, and unpaved fire roads, some of which can be gravely. Expect panoramic vistas of Mount Diablo, the Sacramento-San Joaquin Delta, and the Sand Creek Valley, especially as you reach higher elevations. The trail then descends towards the historic Stewartville town site, offering glimpses into the region's mining past. Be prepared for some challenging climbs, particularly when returning up the ridge or tackling sections like "The Wall"; this route is definitely for those who enjoy a sustained effort.

Planning your visit

While the Stewartville Trail is multi-use, touring cyclists should be aware that its unpaved and gravely sections, combined with significant elevation changes, make a robust touring bike with wider tires more suitable than a traditional road touring setup. The hills are particularly vibrant and green during the cooler spring months, making it an ideal time to visit. Always carry enough water, especially during warmer periods, as services are limited once you're on the trail.

Trail details

• Distance: 7.5 miles (12.0 km)
• Elevation gain: 1200 feet (366 metres)
• Difficulty: moderate
• Estimated time: 1 hours and 22 minutes