Devil's Gate Dam – View of Downtown Los Angeles in Distance loop from Altadena

If you're looking for a moderate gravel biking route that delivers on views without demanding an entire day, the Devil's Gate Dam – View of Downtown Los Angeles in Distance loop from Altadena is a solid choice. This 12.1-mile (19.5 km) loop, rated moderate, offers 1096 feet (334 metres) of climbing and can be completed in about 1 hour and 29 minutes. It's an excellent option for experienced gravel riders seeking a rewarding workout with scenic payoffs, especially if you're keen on exploring Altadena gravel biking loop routes.

What to expect on Devil's Gate Dam – View of Downtown Los Angeles in Distance loop from Altadena

This route takes you through a varied landscape, starting with a mix of paved and unpaved surfaces that characterize the Altadena gravel biking terrain. As you ride, you'll traverse the historic Devil's Gate Dam area and the Hahamongna Watershed Park, an important local ecological zone. The highlight, as the name suggests, is the panoramic view of the San Gabriel Valley, culminating in distant vistas of downtown Los Angeles. While rated moderate, expect steady inclines that require good fitness, making it a satisfying challenge for those comfortable with gravel riding.

Planning your visit

Before heading out, be aware that the Devil's Gate Dam vicinity has experienced sediment removal projects, which can occasionally impact trail access or conditions. It's always a good idea to check local conditions before you go. While specific parking details aren't provided, Altadena is generally accessible, and arriving earlier in the day is often best for finding a spot. Carry enough water, especially on warmer days, as the route offers exposure.

Trail details

• Distance: 12.1 miles (19.5 km)
• Elevation gain: 1096 feet (334 metres)
• Difficulty: moderate
• Estimated time: 1 hours and 29 minutes