Las Trampas - Briones Trail – Madrone Trail loop from Alamo

If you're looking for a truly challenging ride that delivers big views, the Las Trampas - Briones Trail – Madrone Trail loop from Alamo is a moderate touring cycling route that packs a punch. Covering 10.2 miles (16.4 km) with a significant 1405 feet (428 metres) of elevation gain, this loop is estimated to take around 1 hour and 34 minutes, but don't let the duration fool you; it's best suited for experienced cyclists seeking a strenuous workout rather than a leisurely spin.

What to expect on Las Trampas - Briones Trail – Madrone Trail loop from Alamo

Starting from Alamo, you'll initially find paved roads, but the terrain quickly shifts to unpaved fire roads and dirt trails once you enter the Las Trampas Regional Wilderness. Expect moderate to steep climbs, especially on the Madrone Trail, which can be gravelly and rocky in sections. Some parts, like "The Elevator," boast grades exceeding 20%, making this a serious test for your legs. As you climb, you'll be treated to spectacular vistas of Mount Diablo and the wider East Bay area, winding through oak forests and open meadows. This route is definitely for mountain bikers or well-equipped gravel cyclists who aren't afraid of a strenuous ride and appreciate diverse landscapes.

Planning your visit

Be aware that this loop is largely unsuitable for traditional touring bikes with narrow tires due to its rugged terrain. The internal Las Trampas bike trails are often difficult, steep, and unpaved, making them better suited for mountain biking. Some singletrack portions of the Las Trampas to Briones Trail do not permit bicycles, so be mindful of signage to ensure you stay on bike-legal paths. Always check local conditions, especially after rain, as trails can become very muddy.

Trail details

• Distance: 10.2 miles (16.4 km)
• Elevation gain: 1405 feet (428 metres)
• Difficulty: moderate
• Estimated time: 1 hours and 34 minutes