Stevens Creek Reservoir – Skyline Boulevard loop from Rancho San Antonio County Park

The Stevens Creek Reservoir – Skyline Boulevard loop from Rancho San Antonio County Park is a truly challenging road cycling route, a difficult 67.4-mile (108.5 km) endurance test with 7482 feet (2280 metres) of climbing that typically takes around 5 hours and 55 minutes. If you're seeking a significant, full-day ride that pushes your limits and rewards you with diverse scenery, this is a top contender for experienced cyclists.

What to expect on Stevens Creek Reservoir – Skyline Boulevard loop from Rancho San Antonio County Park

This loop takes you on a journey through varied landscapes, starting with suburban roads that quickly transition into the lush greenery of Stevens Canyon Road, offering glimpses of the creek bed. As you climb, you'll pass trophy homes and wineries on Mount Eden Road before reaching Skyline Boulevard, which snakes along a ridge with partially open views of the Bay Area. Be prepared for some unexpectedly steep pitches on Skyline, with grades up to 18%, making this route best suited for cyclists with very good fitness and a love for serious elevation.

Planning your visit

This popular road cycling route starts from Rancho San Antonio County Park. While most of the route is well-paved, some segments may be unpaved and difficult to ride, especially given its difficult classification. Stevens Canyon Road can have light traffic, including quarry trucks, so stay alert. This ride requires very good fitness due to its significant elevation changes and length, so plan accordingly and carry ample water.

Trail details

• Distance: 67.4 miles (108.5 km)
• Elevation gain: 7482 feet (2280 metres)
• Difficulty: difficult
• Estimated time: 5 hours and 55 minutes