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Hiking trails & Routes
United States
Arizona
Maricopa County
Phoenix

Deem Hills Ridgeline and Circumference Loop

Moderate

4.7

(2300)

7,815

hikers

Deem Hills Ridgeline and Circumference Loop

02:27

8.33km

250m

Hiking

Hike the 5.2-mile Deem Hills Ridgeline and Circumference Loop for moderate desert terrain, unique basalt formations, and 360-degree Phoenix

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

1.05 km

Basaltic Trailhead

Highlight • Trail

Basalt is the type of rock that gives the name to this trail; it's possible to see some huge boulders of basalt along the trail that were formed at least 2,5 million years ago by volcanic activity in the area.

Tip by

2

3.81 km

Ridgeline Trail

Highlight • Trail

Ridgeline Trail is the highest trail at Deem Hills Recreation Park. For a trail in an urban park it has less traffic than most. It’s a great option for those …

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3

5.31 km

Deem Hills

Highlight • Viewpoint

Deem Hills is composed with Sonoran Desert landscape, with 1846 ft, this hill has not so high elevation, but still has some nice views of the Phoenix and Glendale area.

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B

8.33 km

End point

Parking

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Way Types & Surfaces

Way Types

8.31 km

< 100 m

Surfaces

8.31 km

< 100 m

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Elevation

Elevation

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Weather

Powered by Foreca

Tuesday 7 July

43°C

27°C

0 %

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Max wind speed: 16.0 km/h

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Frequently Asked Questions

Where can I park to access the Deem Hills Ridgeline and Circumference Loop?

You can typically find parking at the Deem Hills Recreation Area. The trail often starts near the Basaltic Trailhead, which is a common access point for the park's trail system.

Is this trail suitable for dogs?

Yes, the trails within Deem Hills Recreation Area are generally dog-friendly. However, always keep your dog on a leash and be sure to bring plenty of water for both of you, especially given the lack of shade and potential for high temperatures.

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

The best time to hike this loop is during the cooler months, from late fall through spring. The Sonoran Desert can get extremely hot in summer, and there is virtually no shade on the trail. Spring also offers the bonus of seeing wildflowers along the Ridgeline Trail.

Are there any permits or entrance fees required to hike here?

No, there are no permits or entrance fees required to access the trails at Deem Hills Recreation Area. It's free to enjoy the park and its hiking opportunities.

What kind of views can I expect along the route?

This loop offers incredible 360-degree panoramic views, especially from the higher points of Deem Hills. You'll see the sprawling Phoenix area, the Hedgepeth Hills, Hieroglyphic and Bradshaw Mountains, Ludden Mountain, and the McDowell Mountain range. Sunrises and sunsets are particularly stunning from the Ridgeline.

What is the terrain like on the Deem Hills Ridgeline and Circumference Loop?

The terrain is quite varied, offering a diverse hiking experience. You'll encounter a mix of flat, rolling, steep, and rocky sections. The Ridgeline Trail, in particular, features steep switchbacks and rocky paths, while the Circumference Trail has both flat and moderately steep portions. Expect unique basalt volcanic rock formations throughout.

Does this trail connect with other paths?

Yes, the Circumference Trail acts as a main loop, and this route utilizes it along with other connecting trails. You'll also traverse sections of the Ridgeline Trail, Palisade Trail, and Basalt Trail, allowing for varied loop lengths and hiking experiences within the Deem Hills system.

What should I bring with me when hiking this loop?

Given the exposed nature of the trail and the desert environment, it's crucial to bring plenty of water, especially during warmer months. Sun protection like a hat, sunglasses, and sunscreen is essential. Sturdy hiking shoes are recommended for the rocky sections, and a map or GPS can be helpful at certain junctions.

Is the Deem Hills Ridgeline and Circumference Loop suitable for beginners?

While the Ridgeline Trail section is considered difficult due to steep switchbacks and significant elevation gain, the combined loop is often described as suitable for most skill levels and ages. The Circumference Trail is generally moderate. If you're a beginner, be prepared for a challenging climb on the Ridgeline portion, but the overall experience is manageable for those with a reasonable fitness level.

What unique geological features can I see?

The Deem Hills Recreation Area is known for its distinctive basalt volcanic rock formations, which are millions of years old. These dark, rugged rocks are a prominent feature along the trails, especially near the Basaltic Trailhead and throughout the hills, adding to the unique desert scenery.

Are there any amenities at Deem Hills Recreation Area?

Yes, the Deem Hills Recreation Area offers several amenities beyond just hiking trails. You'll find a playground, a dog park, picnic areas, and ramadas, making it a great spot for a longer outing with family or friends after your hike.

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