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Hiking trails & Routes
United States
Arizona
Graham County

Heliograph Trail #328A

Moderate

2.7

(9)

93

hikers

Heliograph Trail #328A

01:55

5.59km

300m

Hiking

Hike the moderate 3.5-mile Heliograph Trail #328A to Heliograph Peak, gaining 992 feet for panoramic views in Coronado National Forest.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

Get Directions

1

3.13 km

Heliograph Peak

Highlight • Summit

dessert view from a high microwave and Lookout facility on Mt Graham. This mountain is accessible when much of Mt Graham is covered with snow and mud. More at cyclepass.com/t_paz_Heliograph_Peak.html

Tip by

2

4.65 km

Eagle Rock

Highlight • Natural Monument

B

5.59 km

End point

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Way Types & Surfaces

Way Types

5.36 km

233 m

Surfaces

5.59 km

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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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Sunday 5 July

24°C

17°C

0 %

Additional weather tips

Max wind speed: 7.0 km/h

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Frequently Asked Questions

How long does it typically take to hike Heliograph Trail #328A?

The Heliograph Trail #328A is approximately 5.6 kilometers (3.5 miles) long. Hikers can generally expect to complete the route in about 2 hours, depending on their pace and how much time they spend enjoying the views at the summit.

What is the difficulty level of the Heliograph Trail #328A?

Komoot rates this hike as moderate. The trail involves a steady climb with switchbacks, leading to a rocky and steep path in sections. While it offers a gradual ascent, hikers should be prepared for the elevation gain and varied terrain.

Where is the trailhead for Heliograph Trail #328A and what are the parking options?

The Heliograph Trail #328A branches off the Arcadia Trail #328 about one mile from Shannon Campground. Hikers typically access it by starting on the Arcadia Trail. Parking is usually available near Shannon Campground within the Coronado National Forest.

What kind of views can I expect on the trail?

As you ascend, the trail winds through lush forests of Douglas fir, aspen, and pine. You'll get good views of distant peaks and nearby canyons. Upon reaching the summit of Heliograph Peak, you'll be rewarded with breathtaking panoramic views of the vast desert to the west and rolling hills and valleys to the east.

What are the notable features or landmarks along the route?

The trail is rich in history and natural beauty. You'll pass Eagle Rock and eventually reach Heliograph Peak, which was historically used for military signaling. At the peak, you'll find a 100-foot fire lookout tower, erected in 1933 and still in use, along with an old cabin from the same era.

What wildlife might I encounter on the trail?

The Pinaleño Mountains are home to diverse wildlife. Hikers may spot deer, wild turkeys, and various bird species, including Mexican spotted owls and hummingbirds. While less common, black bears and mountain lions also inhabit the area.

What is the best time of year to hike Heliograph Trail #328A?

The trail is best enjoyed during seasons with moderate temperatures, typically spring and fall. Summer can be hot, and winter may bring snow at higher elevations. The fire lookout tower at the peak is used by the Forest Service during peak fire season, indicating good visibility during those times.

Are dogs allowed on the Heliograph Trail #328A?

Yes, dogs are generally allowed on trails within the Coronado National Forest. However, they must be kept on a leash at all times to protect wildlife and ensure the safety and enjoyment of all trail users.

Are there any permits or fees required to hike Heliograph Trail #328A?

No specific permits are required for day hiking the Heliograph Trail #328A. There are also no entrance fees for accessing this part of the Coronado National Forest. However, always check the official USDA Forest Service website for the latest regulations before your visit.

Does the trail connect with other paths?

Yes, the Heliograph Trail #328A branches off the Arcadia Trail #328. The route also passes through sections of the Grand Enchantment Trail and the Grand Enchantment Trail Alternative 10B, offering options for longer excursions or loop formations.

Is there an insider tip for hiking this trail?

For a varied return, consider making a loop by descending via Heliograph Road. This road is closed to public motor vehicles, offering a different perspective and a potentially easier descent than retracing your steps on the trail.

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4.0

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Heliograph Trail #328A

01:55h

5.59km

300m

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