Bailey Canyon and Mount Wilson Trail Loop
Bailey Canyon and Mount Wilson Trail Loop
5.0
(2696)
18,313
hikers
04:59
12.0km
710m
Hiking
Hike the difficult Bailey Canyon and Mount Wilson Trail Loop, a 7.5-mile route with 2319 feet of gain and panoramic views.
Last updated: February 26, 2026
Tips
Includes a segment that may be dangerous
A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.
After 6.62 km for 259 m
Waypoints
Start point
Parking
Get Directions
4.47 km
Highlight (Segment) • Trail
Tip by
8.46 km
Highlight • Structure
Tip by
12.0 km
End point
Parking
Way Types & Surfaces
Way Types
7.59 km
2.58 km
1.60 km
236 m
< 100 m
Surfaces
7.83 km
2.58 km
1.35 km
286 m
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Elevation
Highest point (1,000 m)
Lowest point (300 m)
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Weather
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Today
Monday 18 May
24°C
12°C
0 %
Additional weather tips
Max wind speed: 16.0 km/h
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This route was planned by komoot.
No, this loop is considered difficult and is not recommended for beginners. It involves significant elevation gain (over 700 meters) and covers a distance of approximately 12 kilometers, often taking over 5 hours to complete. The terrain includes steep switchbacks, narrow sections, and potentially loose ground, requiring good fitness and sturdy hiking shoes.
The loop typically starts from Bailey Canyon Park in Sierra Madre. Parking is available at the park, but it can fill up quickly, especially on weekends. Arriving early is advisable to secure a spot.
Public transport options directly to Bailey Canyon Park in Sierra Madre are limited. It's best to check local bus schedules for routes that might get you close, but a car is generally recommended for convenient access to the trailhead.
The trail offers diverse and panoramic scenery. You'll see vistas of Silverwood Lake and the city below from Bailey Canyon, and as you ascend, breathtaking views of the San Gabriel Valley, downtown Los Angeles, Catalina Island, and even the Pacific Ocean on clear days. Higher elevations can place you above the clouds, creating a 'sea of white' effect. The route also features shaded canyons, stream crossings, and waterfalls, especially after rains, with flora including oaks, bigcone spruce, maple, and chaparral species.
Key points of interest include the picturesque Bailey Canyon Falls, the historic remains of old mountain cabins (built in 1910), and the challenging ascents to Jones Peak and Hastings Peak. The route also utilizes sections of the Mount Wilson Trail and the Mount Wilson Toll Road, culminating at the Mount Wilson Summit, which offers 360-degree views, the Cosmic Cafe, and the Mount Wilson Observatory.
Spring and fall are generally the best times to hike this loop, offering milder temperatures. After wet seasons, the waterfalls and stream crossings are particularly beautiful. Summer can be very hot and exposed, while winter can bring colder temperatures and potential snow at higher elevations. Always check weather conditions before heading out.
Yes, the trail is generally dog-friendly, but dogs must be kept on a leash. Be prepared for the challenging terrain and ensure your dog is fit enough for a long, strenuous hike. Remember to bring plenty of water for both yourself and your pet.
No specific permits or entrance fees are typically required for day hiking the Bailey Canyon and Mount Wilson Trail Loop within the Sierra Madre Historical Wilderness Area. However, always check for any updated regulations or fire restrictions, especially during dry seasons, as these can change.
Given the difficult nature and varied terrain, wear sturdy hiking boots with good ankle support. Dress in layers, as temperatures can change significantly with elevation. Bring plenty of water (there's no reliable water source on the trail), snacks, sun protection (hat, sunscreen), a map or GPS device, and a first-aid kit. Trekking poles can also be very helpful for the steep sections.
The terrain is highly varied. It starts with relatively easy dirt paths in Bailey Canyon, transitioning to rocky sections. As you climb, expect steep ascents with numerous switchbacks, narrow and potentially overgrown sections, and possible creek crossings. Parts of the Mount Wilson Trail feature sandy singletrack, while other areas may have exposed, narrow edges. Deep ruts, downed trees, and loose terrain can add to the challenge.
Yes, the route also passes through sections of the Mount Wilson Trail, Bailey Canyon Trail, Charlie's New Trail, and Bastard Ridge. These intersections offer potential variations or connections to other routes in the area.