Eaton Saddle Trailhead

If you are seeking a difficult hiking challenge, the San Gabriel Peak and Mount Disappointment Loop covers 9.2 miles (14.8 km) with a significant elevation gain of 2162 feet (659 metres). Expect to spend around 5 hours and 20 minutes on this route, which rewards your effort with expansive panoramic views. You will see across the San Gabriel Mountains towards Mount Baldy, south to the San Gabriel Valley, and on clear days, even Catalina Island. The trail features steep sections with loose rock and ruts, leading to the 360-degree vistas from San Gabriel Peak and Mount Disappointment.

Parking is typically available at the Eaton Saddle Trailhead, making the loop easily accessible if you are traveling from the Los Angeles area. Be prepared for minimal shade along the route; consider wearing long sleeves and pants for protection against plants like 'poodle-dog bush' in fire-scarred sections. Planning your visit for cooler parts of the day or year is advisable due to sun exposure.

This trail is notable for its challenging nature and the unique experience of passing through the historic Mueller Tunnel, which was blasted directly through granite bluffs. The route provides a rewarding journey for experienced hikers who appreciate demanding climbs and sweeping mountain scenery. It is a true test of endurance with a memorable payoff.

Embark on the Mount Lowe via Eaton Saddle trail, an easy hiking route that covers 1.6 miles (2.5 km) with an elevation gain of 534 feet (163 metres). You can expect to complete this journey in about 48 minutes. As you hike, you will pass through the historic Mueller Tunnel, which marks a unique start to your adventure before the path opens up to expansive views of the Southern California landscape, including deep canyons and ravines.

When planning your visit, be aware that conditions can change. If you are hiking in cold or icy weather, it is wise to bring microspikes and hiking poles for added safety. The trail is also welcoming to your canine companions, so you can bring your leashed dog along to enjoy the scenery with you. Consider starting early to avoid crowds and make the most of the cooler morning temperatures.

From the summit of Mount Lowe, you are treated to panoramic vistas that include Mount Markham and Mount Wilson. Look for the labeled viewing tubes that help you identify key landmarks in the distance. On exceptionally clear days, you might even find yourself above the clouds, looking down at the city below, which offers a truly memorable perspective of the region.

Embark on a challenging hike up the Mueller Tunnel via Loma Alta Trailhead, a difficult route covering 8.4 miles (13.5 km) with a significant elevation gain of 4069 feet (1240 metres). As you ascend, you will pass through oak woodlands and chaparral, offering expansive views of the Los Angeles Basin and the San Gabriel Mountains. This demanding adventure typically takes around 4 hours and 52 minutes to complete, rewarding you with panoramic vistas.

Before you go, be aware that an Adventure Pass might be necessary for parking at trailheads within the Angeles National Forest. Always carry plenty of water, especially on warmer days, as this is a strenuous climb. The trail is accessible from Loma Alta Drive, and you should plan your start time to allow ample daylight for your return.

One of the unique features of this route is the historic Mueller Tunnel, a hundred-yard passage carved directly through the mountain. This tunnel has been closed to motor vehicles since a 2009 landslide, making it an exclusive experience for hikers and cyclists. It stands as a testament to the area's history and offers a distinct landmark within the rugged landscape.