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Bike touring routes & trails
United States
Arizona
Maricopa County
Guadalupe

Sun Circle Trail

Easy

3.2

(12)

36

riders

Sun Circle Trail

00:44

8.85km

150m

Cycling

Cycle the easy 5.5-mile Sun Circle Trail in South Mountain Park, enjoying desert views and passing the Old Stone House Ruins.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

2.31 km

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

2.40 km

National Trail Sun Circle Trail (SCT)

Highlight (Segment) • Trail

This segment just west at the end of East Pima Canyon Road is part of the National Trail also officially named SCT, or Sun Circle Trail. This route is a …

Tip by

3

4.43 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

B

8.85 km

End point

Parking

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Way Types & Surfaces

Way Types

4.13 km

2.78 km

1.58 km

259 m

< 100 m

Surfaces

4.56 km

4.23 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Wednesday 8 July

45°C

32°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

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Frequently Asked Questions

What is the overall difficulty of cycling the Sun Circle Trail?

The Sun Circle Trail offers a varied experience. While many sections are considered easy with paved surfaces and minimal elevation, making them suitable for all fitness levels, other parts can be more challenging. For example, some segments in the East Valley have a gradual ascent with about 600 feet of elevation gain over 6 miles, which would be a moderate workout. The 15.25-mile section through South Mountain Park, known as the National Trail, also presents a more demanding ride with ridgeline views.

What kind of terrain can I expect on the trail?

The trail features a diverse terrain. You'll find smooth, well-paved sections, natural earth paths, and crushed stone paths. Many parts follow picturesque canal paths, often on paved streets or relatively flat, multi-use surfaces. Some urban areas, parks, and preserved open spaces are also traversed. Be aware that some segments, particularly in the East Valley, might have sandy paths.

Are there any permits or fees required to cycle the Sun Circle Trail?

Generally, there are no specific permits or fees required to access the Sun Circle Trail itself. However, since a significant portion of the trail runs through South Mountain Park, it's always a good idea to check the park's official website for any specific regulations or potential entrance fees, especially if you plan to access facilities within the park.

Where can I park to access the Sun Circle Trail?

Access points and parking vary along the extensive loop. A good starting point is the Pima Canyon Trailhead, which offers parking and access to the trail within South Mountain Park. Many other trailheads and public parks along the route also provide parking options.

Is the Sun Circle Trail dog-friendly?

Yes, the Sun Circle Trail is generally dog-friendly, as it is a multi-use trail. However, dogs must be kept on a leash at all times. Please remember to clean up after your pet to help keep the trail enjoyable for everyone.

What is the best time of year to cycle this route?

The best time to cycle the Sun Circle Trail is typically during the cooler months, from late fall through spring (October to April). During this period, temperatures are more pleasant, and you can enjoy vibrant wildflowers in the spring. Summers in Phoenix can be extremely hot, so cycling during these months is generally not recommended due to heat safety concerns.

What interesting sights or landmarks can I see along the way?

The trail offers a blend of desert landscapes and urban views. You can expect to see saguaro cacti, yucca, and brittlebush, with wildflowers in spring. Keep an eye out for wildlife like jackrabbits and lizards. Notable points include the Pima Canyon Trailhead, sections of the National Trail Sun Circle Trail (SCT), and the historic Old Stone House Ruins. Panoramic views of the desert and distant mountains are also a highlight, especially from points within South Mountain Park.

Does the Sun Circle Trail connect with other well-known paths?

Yes, the Sun Circle Trail is part of a larger network. It overlaps significantly with the Maricopa Trail, covering 100% of the route. Additionally, sections of the trail intersect with other paths such as the Pima Wash Trail, Beverly Canyon Trail, Desert Classic Trail, and the National Trail, particularly within South Mountain Park.

What should I bring for a touring bicycle ride on this trail?

Given the varied terrain and potential for longer distances, it's essential to bring plenty of water, especially during warmer months. Sun protection (sunscreen, hat, sunglasses) is crucial. A repair kit for your bike, snacks, and a map or GPS device are also highly recommended. For longer rides, consider carrying basic first-aid supplies.

Is the Sun Circle Trail suitable for multi-day 'Credit Card Touring'?

Yes, the broader concept that includes portions of the Sun Circle Trail is designed to facilitate 'Credit Card Touring.' This means that amenities like food and lodging are often accessible along the route, making it suitable for multi-day trips where you don't need to carry extensive gear. Many sections pass through or near communities with services.

Are there any specific regulations for cycling within South Mountain Park?

When cycling within South Mountain Park, where a significant portion of the Sun Circle Trail is located, it's important to be aware of park-specific rules. These typically include staying on marked trails, respecting wildlife, and adhering to any posted speed limits or trail closures. Always yield to hikers and equestrians, as it is a multi-use park. Check the official City of Phoenix Parks and Recreation website for the most current regulations.

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