Mount Umunhum – Mount Umunhum loop from Oak Meadow

If you're seeking a truly demanding mountain biking adventure in the South Bay, the Mount Umunhum – Mount Umunhum loop from Oak Meadow delivers. This difficult 33.8-mile (54.4 km) route packs in a hefty 4480 feet (1366 metres) of climbing, taking around 4 hours and 23 minutes to complete. It's a serious test of endurance, best suited for experienced riders looking for a significant challenge and expansive views.

What to expect on Mount Umunhum – Mount Umunhum loop from Oak Meadow

This loop throws everything at you, from steep paved sections on Mount Umunhum Road to the playful twists of the multi-use Mount Umunhum Trail singletrack. You'll grind up fire roads like Barlow Road, known for its brutal grades, transitioning from chaparral to oak woodlands. While much of the trail is under tree cover, glimpses of the South Bay appear at spots like the Guadalupe Creek Overlook. The real payoff is the summit of Mount Umunhum, where you're rewarded with breathtaking 360-degree panoramic views, including the iconic "Cube" radar tower. This is a ride for those who relish a tough climb and diverse terrain, not for beginners.

Planning your visit

The Mount Umunhum loop is a substantial undertaking, so plan to start early, especially on warmer days. While specific parking details for "Oak Meadow" aren't provided, routes often begin from areas like Hicks Road or Almaden Quicksilver County Park. Remember to carry plenty of water, as the significant elevation gain and exposure can be dehydrating. Bicyclists can reach the summit via a paved service road for the final 0.2 miles, with bike racks available at the summit shelter.

Trail details

• Distance: 33.8 miles (54.4 km)
• Elevation gain: 4480 feet (1366 metres)
• Difficulty: difficult
• Estimated time: 4 hours and 23 minutes