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United States
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Pima County
Flowing Wells

Sun Circle

Highlight • Monument

Sun Circle

Cycling

5.0

(1)

The Sun Circle is a distinctive archaeoastronomical sculpture located within the Rillito River Park, north of Tucson, Arizona. Situated at an elevation of 673 meters along the banks of the Rillito River, this modern man-made monument draws inspiration from the ancient astronomical practices of the Ancestral Puebloans, particularly from sites like Chaco Canyon. It serves as a tangible link between contemporary visitors and the cosmos, designed to observe the sun's annual and daily cycles.

Visitors are consistently captivated by the…

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  • Location: Flowing Wells, Pima County, Arizona, United States

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    January 20, 2026

    Cycling

    Sun Circle, 1994. Artists: Paul T. Edwards, Susan Holman, Chris Tanz. Overview: This circular structure built of concrete block and flagstone features eight interrupted curving walls create a kiva-like circle. Six of the walls have small ports oriented toward sunrise and sunset at the summer and winter solstices, and the spring and fall equinoxes.
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    #1.

    Rollito River Path – Subaerial Embrace loop from Tucson

    55.3km

    03:09

    150m

    150m

    Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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    Moderate
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    Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

    Moderate
    placeholder

    Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

    Moderate

    Details

    Informations

    Elevation 670 m

    Weather

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    Thursday 14 May

    35°C

    19°C

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    Max wind speed: 24.0 km/h

    Location: Flowing Wells, Pima County, Arizona, United States

    Frequently Asked Questions

    What is the typical difficulty level for walks around the Sun Circle?

    The Sun Circle itself is a sculpture on a concrete pad, making it easily accessible. The surrounding Rillito River Park features easy walking routes that are generally flat and well-maintained, suitable for all ages and fitness levels. These paths are ideal for a leisurely stroll rather than a strenuous hike.

    Is the Sun Circle monument and its surrounding park dog-friendly?

    Yes, the Rillito River Park, where the Sun Circle is located, is generally dog-friendly. Many visitors enjoy walking their dogs along the paved paths. Please ensure your dog is on a leash and that you clean up after them to maintain the park's cleanliness for everyone.

    How much time should I plan for a visit to the Sun Circle and nearby areas?

    To fully appreciate the Sun Circle and its astronomical alignments, especially during a solstice or equinox, you might want to allocate at least 30 minutes to an hour. If you plan to explore the easy walking routes along the Rillito River, you could easily spend an additional hour or two enjoying the park.

    Are there any specific considerations for visiting the Sun Circle during winter?

    Visiting the Sun Circle in winter can be quite pleasant, as Tucson's winter weather is typically mild and sunny. The monument is designed to showcase the winter solstice, offering a unique astronomical display at sunrise and sunset. While the weather is cooler, sun protection is still advisable, and layers of clothing are recommended for comfort.

    What kind of clothing and gear are recommended for a visit?

    Given its outdoor location in Arizona, comfortable clothing, sun protection (hat, sunglasses, sunscreen), and plenty of water are highly recommended, especially during warmer months. Even in cooler seasons, the sun can be intense. For walking the surrounding paths, comfortable shoes are sufficient.

    Is the Sun Circle accessible for visitors using wheelchairs or strollers?

    Yes, the Sun Circle is considered wheelchair accessible. The monument is situated on a concrete pad, and the surrounding Rillito River Park features paved, flat paths, making it easy to navigate with wheelchairs and strollers.

    Are there any family-friendly activities or features near the Sun Circle?

    Beyond observing the Sun Circle's astronomical alignments, the Rillito River Park offers a great environment for families. The easy walking routes are perfect for children, and the open spaces provide opportunities for picnics or simply enjoying the outdoors. It's an educational experience that can spark interest in astronomy and history for all ages.

    How crowded does the Sun Circle typically get, especially on weekends or during special astronomical events?

    While the Sun Circle is a popular local attraction, it's generally not overly crowded on regular days. However, during the solstices and equinoxes, especially at sunrise or sunset, it can attract more visitors interested in witnessing the precise alignments. Arriving earlier for these events is advisable to secure a good viewing spot.

    Are there any coffee shops or dining options conveniently located near the Sun Circle?

    The Sun Circle is located within the Rillito River Park, which is a linear park running through a developed area of Tucson. While there aren't immediate coffee shops directly adjacent to the monument, numerous cafes, restaurants, and other amenities can be found within a short driving distance in the surrounding neighborhoods of Tucson.

    What are some other top-rated historical sites or points of interest near the Sun Circle?

    Tucson is rich in history and culture. While the Sun Circle offers a unique blend of art and archaeoastronomy, other notable sites nearby include the historic Mission San Xavier del Bac, the Arizona-Sonora Desert Museum (which combines a zoo, botanical garden, and natural history museum), and the ancient Tumamoc Hill archaeological site, offering diverse historical and natural experiences.

    Can cyclists access the Sun Circle, and are there bike paths in the area?

    Yes, the Rillito River Park is a popular destination for cyclists. The Sun Circle is directly accessible via the paved multi-use paths that run along the Rillito River, which are part of Tucson's extensive 'The Loop' shared-use path system. This makes it an excellent stop for those exploring the city by bike.

    Other Popular Places to Check Out

    The Loop (Rillito River Bike Path)

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