Marshall Gulch and Mint Spring Loop

The trail begins at the Marshall Gulch Trailhead, located in the Mount Lemmon area near Tucson, Arizona. Parking is available at the trailhead. It's advisable to arrive early, especially on weekends, as this is a popular spot.

Yes, dogs are allowed on the Marshall Gulch Trail, which is part of this loop. However, they must be kept on a leash at all times to protect local wildlife and ensure the safety of other hikers.

This trail is particularly popular during the warmer months, from late spring through early fall, as its higher elevation provides a significant escape from the desert heat of Tucson. The year-round running water in Marshall Gulch also adds to its appeal during these times. Wildflowers can be seen along the way, especially in spring.

Generally, there are no specific permits required for day hiking on this trail within the Coronado National Forest. However, it's always a good idea to check the official USDA Forest Service website for the most current information regarding any potential fees or regulations before your visit. You can find more details on the Coronado National Forest website.

The terrain is diverse, featuring shaded forests of pine and Douglas fir, riparian areas with year-round water, and aspen groves. You'll encounter a mix of surfaces, including exposed roots, embedded rocks, and some loose rock due to erosion. The Mint Spring Trail section involves a rapid ascent, while other parts flatten out. Be prepared for uneven sections and some steady inclines.

While generally rated as 'moderate', the trail can be challenging for absolute beginners due to its distance (approximately 8.2 km or 5.1 miles), elevation gain (around 280 meters or 920 feet), and the higher altitude (reaching over 7,500 feet). Hikers should have a reasonable level of fitness. The rapid ascent on the Mint Spring Trail can be strenuous.

Highlights include the lush, shaded forests, the year-round running water in Marshall Gulch, and beautiful aspen groves. From higher vantage points, you can enjoy panoramic views of the city of Tucson, Summerhaven, Mount Lemmon, and the wider Santa Catalina Mountains. Wildflowers are also a common sight during the right season.

Yes, this area is a significant trail hub. The loop itself incorporates the Mint Spring Trail #20. It also intersects with sections of the Arizona Trail and the Sky Islands Traverse. At Marshall Saddle, several trails converge, offering opportunities to extend your hike or create different loop combinations, including access to the Wilderness of Rocks Trail.

Given the varied terrain and elevation, wear sturdy hiking boots with good ankle support. Dress in layers, as temperatures can change, especially with the elevation gain. Bring plenty of water, snacks, sun protection (hat, sunscreen), and a map or GPS device. Trekking poles can be helpful for stability on uneven or loose sections.

Absolutely. The significant elevation gain means temperatures on this trail are considerably cooler than in the Tucson valley, making it an ideal destination for escaping the summer heat. The shaded forests and riparian areas also contribute to a refreshing hiking experience.