Four Corners – View of Yorba Linda loop from Carbon Canyon Regional Park

If you're looking for a challenging touring cycling adventure with rewarding views, the Four Corners – View of Yorba Linda loop from Carbon Canyon Regional Park is definitely worth your time. This difficult route covers 28.3 miles (45.5 km) with a significant 1941 feet (592 metres) of elevation gain, taking roughly 3 hours and 52 minutes to complete. It's a perfect pick for experienced cyclists seeking a substantial workout combined with diverse scenery.

What to expect on Four Corners – View of Yorba Linda loop from Carbon Canyon Regional Park

Expect a journey through varied landscapes, starting with the unique Coastal Redwood grove within Carbon Canyon Regional Park, a truly tranquil spot. The route then transitions to offer panoramic overlooks of Yorba Linda, living up to its name with expansive city views. As you connect towards Chino Hills State Park, you'll encounter picturesque sections with oak trees and creeks, especially beautiful when wildflowers are in bloom. While much of the route is paved, be prepared for unpaved segments, wide fire roads, and even some loose, sandy sections, particularly within Carbon Canyon. This is a difficult ride requiring very good fitness, and you might find yourself pushing your bike on some of the steeper or rougher parts.

Planning your visit

This challenging touring cycling route starts from Carbon Canyon Regional Park. While specific parking details aren't provided, regional parks typically offer ample parking. Given the route's difficulty and duration, it's wise to start early in the day, especially during warmer months, to avoid the midday heat and ensure you have plenty of time. Always carry sufficient water and be prepared for varied terrain.

Trail details

• Distance: 28.3 miles (45.5 km)
• Elevation gain: 1941 feet (592 metres)
• Difficulty: difficult
• Estimated time: 3 hours and 52 minutes