4.8
(6439)
13,277
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7.85km
10m
Hiking
Hike the O'Leary Peak Trail for moderate difficulty, volcanic scenery, and views of the San Francisco Peaks near Flagstaff.
Last updated: February 26, 2026
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Your route passes through a protected area
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Waypoints
Start point
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16 m
Highlight • Viewpoint
1.61 km
Highlight • Viewpoint
4.77 km
Highlight • Trail
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7.85 km
End point
Way Types & Surfaces
Way Types
7.85 km
Surfaces
5.55 km
2.11 km
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Monday 18 May
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This route was planned by komoot.
The O'Leary Peak Trail is located near Flagstaff, Arizona. You'll typically find parking at the trailhead, which is often described as following an old, blocked-off forest service road. Specific parking instructions might vary, so it's always a good idea to check local forest service information before you go.
The O'Leary Peak Trail is located within the Coconino National Forest. Generally, there are no specific permits required for day hiking on this trail, nor are there entrance fees for the forest itself. However, it's always wise to check the official USDA Forest Service website for any current regulations or fire restrictions before your visit.
Yes, dogs are permitted on the O'Leary Peak Trail, but they must be kept on a leash. Be aware that the dark gravel and cinder path can get very hot for their paws, especially during warmer months, so plan your hike accordingly.
The O'Leary Peak Trail offers different experiences throughout the year. Spring and fall generally provide the most pleasant hiking temperatures. In summer, it can be hot, especially on the exposed sections, so an early start is recommended. Winter hiking is possible but requires preparation for snow and ice, and conditions can change abruptly.
The trail primarily follows an old forest service road, so expect a rough path with potholes, rocks, and eroded sections. You'll encounter a black cinder path, especially in the initial mile, and walk alongside the impressive Bonito Lava Flow. As you ascend, there are a series of six switchbacks. The final push to the western summit is often a challenging slog up loose cinder.
Hikers are treated to phenomenal and increasingly long-range views. You'll see the volcanic landscape, including the edge of a 15-foot high lava field and immense mounds of ancient volcanic cinder. From the fire lookout tower at the top, you'll get panoramic vistas of the Inner Basin of the San Francisco Peaks, the crater of Sunset Crater Volcano, and to the north, the Painted Desert. Humphreys Peak is also a prominent feature, and on clear days, you might even spot the North Rim of the Grand Canyon. Don't miss the specific viewpoints like View of the San Francisco Peaks and View of the San Francisco Peaks.
This trail is generally rated as strenuous or difficult due to its sustained climb and significant elevation gain (around 1,961 to 2,200 feet). The steeper gradient after the first few miles and the loose cinder near the top contribute to its challenging nature. It's recommended for hikers to be in good physical condition.
Yes, the route you're following for the O'Leary Peak Trail utilizes sections of several official paths. It covers 100% of the O'Leary Trail, 72% of the O'Leary Lookout Trail, and also incorporates parts of the Forest Service 545A Road.
This trail is notable for ascending O'Leary Peak, which is a lava dome volcano, distinct from the nearby Sunset Crater. It follows an old, closed 4x4 forest service road, offering a unique 'trail' experience. Its proximity to Sunset Crater Volcano National Monument allows you to witness the impressive Bonito Lava Flow. Ultimately, the unparalleled 360-degree panoramic views from the summit make it a truly memorable hike.
Given its strenuous rating, significant elevation gain, and challenging terrain with loose cinder, the O'Leary Peak Trail is generally not recommended for beginners. Hikers should be in good physical condition and prepared for a demanding climb.
Be prepared for the final push to the western summit, beyond the lookout tower. This section is often described as the most difficult part of the climb, involving a challenging slog up loose cinder. Pacing yourself and saving some energy for this segment will make your summit experience more enjoyable.