3.0
(30)
50
hikers
02:28
9.06km
140m
Hiking
Embark on the Observatory Mesa Loop, a moderate hike spanning 5.6 miles (9.1 km) with an elevation gain of 447 feet (136 metres). You can expect to complete this route in about 2 hours and 28 minutes. The trail quickly leads you into a peaceful forest filled with ponderosa pines,…
Last updated: April 23, 2026
Waypoints
Start point
Parking
Get Directions
249 m
Highlight • Trail
Tip by
3.03 km
Highlight (Segment) • Viewpoint
Tip by
9.06 km
End point
Parking
Way Types & Surfaces
Way Types
4.40 km
3.16 km
1.22 km
213 m
< 100 m
Surfaces
3.37 km
2.85 km
1.53 km
983 m
331 m
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Elevation
Highest point (2,250 m)
Lowest point (2,110 m)
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Weather
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Today
Tuesday 26 May
19°C
5°C
0 %
Additional weather tips
Max wind speed: 32.0 km/h
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This route was planned by komoot.
The trail is easily accessible from Flagstaff. A common starting point is the Karen Cooper Trailhead, which typically offers parking. Since the trail is close to a neighborhood, it provides convenient access to the natural area.
Yes, the trail is dog-friendly. However, please ensure your dog is leashed, especially in certain areas, to protect wildlife and ensure a pleasant experience for all trail users.
The trail offers a pleasant experience throughout much of the year. During spring and summer, you can enjoy colorful wildflowers. Fall brings beautiful foliage, and even winter hiking is possible, though conditions may vary. The forested sections provide good shade, making it enjoyable even on warmer days.
No, there are no specific permits or entrance fees required to access the Observatory Mesa Natural Area or to hike this trail. It's open for public enjoyment.
The terrain is varied, primarily consisting of singletrack. You'll find flatter sections transitioning into a steady, consistent climb to the top of Observatory Mesa. While generally smooth, expect some rocky areas. It's rated as moderate due to its length and elevation gain.
The trail offers a unique blend of urban and natural views. You'll start near a neighborhood, then quickly enter a peaceful ponderosa pine forest. From the mesa's edge, you can enjoy expansive vistas of the San Francisco Peaks, the Dry Lake Hills, and the city of Flagstaff. Don't miss the View of Elden from Anasazi Ridge.
The natural area is home to diverse wildlife. Keep an eye out for elk, mule deer, pronghorn, grey fox, porcupines, and various bird species like goshawks, owls, and bald eagles. Bats are also present in the area.
The Observatory Mesa Loop is generally considered moderate. While some shorter segments might be suitable for beginners, the full loop involves a consistent climb and varied terrain. It's a good option for families with some hiking experience, but not typically stroller-accessible due to rocky sections.
Yes, the Observatory Mesa Loop is an integral part of the larger 44-mile Flagstaff Loop Trail system. Along this route, you'll also find sections of the Flagstaff Urban Trail System, the Karen Cooper Trail, and the Mars Hill Trail (FUTS).
This trail offers a unique 'urban-remote' feel, providing a peaceful forest experience just minutes from the city. Its proximity to the Lowell Observatory and its role in protecting Flagstaff's dark skies add to its special character. It's also a multi-use trail popular for mountain biking, running, and horseback riding.
The full loop, which is approximately 9 kilometers (5.6 miles), typically takes around 2 hours and 30 minutes to complete at a moderate hiking pace. Shorter segments, like a 2-mile portion, can be done much quicker, around 12 minutes, but the full experience requires more time.