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Routes
Hiking trails & Routes
United States
Arizona
Maricopa County
Phoenix

National Trail to Mormon Loop

Moderate

5.0

(8677)

13,534

hikers

National Trail to Mormon Loop

02:35

8.75km

240m

Hiking

The National Trail to Mormon Loop offers a moderate hiking experience through the Sonoran Desert landscape. You will cover 5.4 miles (8.7 km) and gain 794 feet (242 metres) in elevation, typically taking about 2 hours and 35 minutes to complete. Expect a mix of rocky paths and dirt trails,…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

602 m

Pima Canyon Trailhead

Highlight • Trail

The Pima Canyon Trailhead is one of the most popular trailheads for the South Mountain Preserve. There are a bunch of different trails that start/finish in the parking lot (including …

Tip by

2

2.69 km

Stone Arch Bridge

Highlight • Bridge

A remarkable leftover building from the depression era of the 1930's, where Civilian Conservation Corps and some 4000 men built over 40 miles of hiking trails. They made sure to …

Tip by

3

2.70 km

Old Stone House Ruins

Highlight • Historical Site

A remarkable leftover building from the depression era of the 1930's, where Civilian Conservation Corps and some 4000 men built over 40 miles of hiking trails. They made sure to …

Tip by

4

4.96 km

Here you can find yourself some of the most breathtaking views of Phoenix. Make it a priority to visit during sunset or sunrise, as the view during those times is …

Tip by

5

6.08 km

Fat Man's Pass

Highlight • Natural Monument

A fascinating geological find where two large boulders create a tight squeeze. Its name originates from the size of the narrow passage, and as you may have guessed it, making …

Tip by

6

6.79 km

Hidden Valley Tunnel

Highlight • Cave

This tunnel consists of boulders intricately intertwined to form a stunning natural formation. Take advantage of the chance to take unique and creative photos in this diverse rock formation. Also, …

Tip by

B

8.75 km

End point

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Way Types & Surfaces

Way Types

5.25 km

2.08 km

1.12 km

298 m

Surfaces

3.79 km

2.56 km

2.10 km

295 m

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Elevation

Elevation

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Weather

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Thursday 7 May

35°C

18°C

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the National Trail to Mormon Loop?

This loop is considered moderate to difficult. Hikers should expect significant elevation changes, including a steep incline of about 740 feet in the first 1.2 miles on the Mormon Trail section. The overall route involves considerable ascents and descents, requiring good fitness due to sustained climbs and varied terrain.

What is the terrain like on the trail?

The trail features a mix of rocky paths, larger boulders, and dirt sections. While the footing on rocky parts is generally manageable, the sustained climbs and descents mean you'll be navigating varied surfaces throughout the hike.

Where can I park for the National Trail to Mormon Loop?

The hike typically starts from the Pima Canyon Trailhead in South Mountain Preserve. Parking is available there, but it can fill up quickly, especially during peak seasons or on weekends. Arriving early is recommended.

Do I need a permit or pay an entrance fee for South Mountain Preserve?

No, there are generally no entrance fees or permits required to access the trails within South Mountain Preserve, including the National Trail to Mormon Loop. However, always check the official South Mountain Park and Preserve website for any updated regulations before your visit.

Is the trail dog-friendly?

Yes, dogs are generally allowed on trails within South Mountain Preserve. However, they must be kept on a leash at all times. Be sure to bring plenty of water for your dog, especially given the desert environment and potential for high temperatures.

What is the best time of year to hike this trail?

The best time to hike is during the cooler months, from late fall through early spring (October to April). Summers in Phoenix are extremely hot, and it's crucial to avoid hiking during the hottest parts of the day due to sun exposure and strenuous climbs. Early mornings are ideal year-round.

What are the main points of interest along the route?

Along the way, you'll encounter several notable features. These include the Stone Arch Bridge, Old Stone House Ruins, and the stunning View of Phoenix from Mormon Lookout. A unique geological formation called Fat Man's Pass offers a memorable squeeze between two large boulders, leading to a pleasant resting area. You'll also pass through the Hidden Valley Tunnel.

What kind of views can I expect?

The trail offers impressive scenery with panoramic mountain vistas and breathtaking views of Phoenix, especially from the Mormon Lookout. You'll also experience the diverse Sonoran Desert flora, including saguaro cacti, and interesting geological formations.

Does this route connect with other trails in South Mountain Preserve?

Yes, this route utilizes sections of several official trails within South Mountain Preserve. It primarily follows the National Trail and Mormon Loop Trail, but also incorporates parts of the Pima Wash Trail and Hidden Valley Trail.

What should I bring for this hike?

Given the desert environment and strenuous nature of the hike, it's crucial to bring plenty of water (more than you think you'll need), sun protection (hat, sunscreen), sturdy hiking shoes, and snacks. A map or GPS device is also recommended.

Is the National Trail to Mormon Loop suitable for beginners or families with young children?

Due to its moderate to difficult rating, significant elevation changes, and rocky terrain, this trail is generally not recommended for beginners or families with very young children. Hikers should have a good level of fitness and experience. There are easier alternatives available in South Mountain Preserve if you're looking for a less strenuous option.

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