Mount Wilson Trail

The Mount Wilson Trail is a renowned hiking route located in the San Gabriel Mountains of California, offering a challenging and rewarding experience for outdoor enthusiasts. This trail, with its rich history and stunning views, has become a popular destination for hikers, providing a unique opportunity to explore the diverse natural landscape and enjoy the serenity of the wilderness.
History and Significance

The Mount Wilson Trail has a long and fascinating history. It was first established in the late 19th century as a means to access the summit of Mount Wilson, which at the time was being considered for a potential site for a meteorological observatory. The trail played a crucial role in the development of the Mount Wilson Observatory, which went on to become a significant astronomical research facility.
The observatory, founded by George Ellery Hale, was instrumental in numerous scientific discoveries, including the determination of the Sun's rotation rate and the discovery of magnetic fields in sunspots. The Mount Wilson Trail thus holds a special place in the history of science, serving as a pathway to knowledge and discovery.
Trail Details and Features

The Mount Wilson Trail offers a rigorous hike, spanning approximately 7.8 miles (12.5 km) one way, with an elevation gain of over 4,000 feet (1,219 meters). The trail begins at the Chantry Flat trailhead and winds its way through the Angeles National Forest, offering a diverse range of ecosystems and landscapes.
Scenic Views
One of the trail’s standout features is the breathtaking panoramic views it affords. Hikers are treated to vistas of the San Gabriel Valley, the Los Angeles Basin, and on clear days, even the Channel Islands and the Pacific Ocean. The trail also passes by several waterfalls, including the popular Sturtevant Falls, especially prominent during the rainy season.
Wildlife and Nature
The Mount Wilson Trail is a haven for nature enthusiasts. The trail is home to a diverse array of plant life, including coast live oaks, bay laurels, and bigcone spruce, the latter being a rare species endemic to the San Gabriel Mountains. Wildlife sightings are common, with hikers often encountering deer, coyotes, and a variety of bird species.
Technical Specifications
The trail is considered moderate to difficult due to its length and elevation gain. It is well-maintained and features a mostly steady climb, with some sections being quite steep. The trail is marked with signs and cairns, making navigation relatively straightforward. However, proper hiking gear and adequate preparation are essential due to the trail’s challenging nature.
Trail Length | Elevation Gain |
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7.8 miles (12.5 km) | 4,000+ feet (1,219 meters) |

Hiking the Mount Wilson Trail

Hiking the Mount Wilson Trail is a memorable experience, offering a blend of physical challenge, natural beauty, and historical significance. The trail is accessible year-round, although conditions can be more challenging during the winter months due to potential snow and ice.
What to Expect
The trail begins with a gradual climb through oak woodlands, offering a gentle warm-up for the more strenuous sections ahead. As you ascend, the landscape transforms, with chaparral and manzanita giving way to pine forests. The trail passes by several creeks and waterfalls, providing refreshing stops along the way.
As you near the summit, the trail becomes more exposed, offering uninterrupted views of the surrounding mountains and valleys. The final stretch to the summit is a rewarding climb, leading to the historic Mount Wilson Observatory and the communication towers atop the mountain.
Safety and Precautions
While the Mount Wilson Trail is well-traversed, it is essential to take necessary safety precautions. Always inform someone of your hiking plans, including your expected return time. Carry adequate water and snacks, as there are no water sources along the trail. Wear appropriate hiking footwear and clothing, and be prepared for sudden weather changes, especially at higher elevations.
It's also important to be aware of your surroundings and potential wildlife encounters. Keep a safe distance from any wildlife and never feed or approach them. Additionally, be mindful of your impact on the environment and practice Leave No Trace principles to preserve the natural beauty of the trail for future hikers.
Frequently Asked Questions

Is the Mount Wilson Trail suitable for beginners?
+While the trail is well-maintained, its length and elevation gain make it a challenging hike, especially for beginners. It is recommended for experienced hikers or those with a good level of fitness. If you’re a beginner, consider starting with shorter, less strenuous trails to build your hiking skills and endurance.
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<h3>What is the best time of year to hike the Mount Wilson Trail?</h3>
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<p>The trail is accessible year-round, but the most popular hiking season is spring and fall when the weather is milder. During the summer, the trail can be extremely hot, so an early start is recommended. Winter hikes can be beautiful, but be prepared for potential snow and icy conditions, and ensure you have the necessary gear and experience for winter hiking.</p>
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<h3>Are there any camping options along the Mount Wilson Trail?</h3>
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<p>There are no designated campsites along the Mount Wilson Trail itself. However, there are several campsites located near the trailhead at Chantry Flat, such as the Big Santa Anita Campground. These campsites offer a convenient base for those looking to tackle the trail over multiple days.</p>
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The Mount Wilson Trail stands as a testament to the beauty and adventure that await in the San Gabriel Mountains. With its rich history, stunning views, and challenging terrain, it offers an unforgettable hiking experience for those willing to take on its steep ascents and diverse ecosystems.