Marshall Gulch and Aspen Trail Loop

The trailhead is conveniently located at the end of the paved Catalina Highway on Mount Lemmon, near Tucson, Arizona. You'll find amenities like bathrooms at the Marshall Gulch Picnic Area right at the trailhead, making it easily accessible.

Yes, the trail is generally dog-friendly. However, always ensure your dog is on a leash and that you pack out any waste. Remember to bring extra water for your canine companion, especially during warmer months.

This trail is particularly popular in the summer due to its significantly cooler temperatures compared to Tucson. The diverse ecosystems, including aspen groves, would also make it stunning in the fall when the leaves change color. Winter hiking is possible but be prepared for snow and ice, as conditions can vary.

Generally, no specific hiking permits are required for day use on this trail within the Coronado National Forest. However, there might be a fee for parking at the Marshall Gulch Picnic Area. It's always a good idea to check the USDA Forest Service website for the most current information on fees or regulations before your visit.

The loop is generally considered easy to intermediate. While there's a comfortable climb to Marshall Saddle, the overall difficulty is manageable for most. The shaded creek section of Marshall Gulch Trail is particularly pleasant for families. Just be aware that the descent on the Aspen Trail can be quite steep in sections, which might be challenging for very young children or those with mobility issues.

Hikers typically complete the Marshall Gulch and Aspen Trail Loop in about 1 hour 39 minutes to 2 hours, depending on pace and how often you stop to enjoy the scenery. The total distance is approximately 3.7 miles (6.0 km).

You'll experience diverse landscapes, starting with a shaded riparian area along a lively creek on the Marshall Gulch Trail. As you ascend, the scenery transitions to pine and aspen forests. The Aspen Trail section offers expansive views of Tucson, Mount Lemmon, and the Wilderness of Rocks, with some parts passing through areas recovering from fire, showcasing new plant growth. The path can also sparkle with mica and quartz flakes.

Key features include the shaded creek on the Marshall Gulch section, the high density of aspen trees, and panoramic views from the Aspen Trail. Don't miss the View of the Pusch Ridge Wilderness from the Aspen Trail, and the Marshall Gulch Trail itself is a highlight for its 'forest paradise' feel.

Yes, portions of this hike are part of the larger Arizona Trail. The loop also utilizes sections of the Aspen Trail #93 and the Marshall Gulch Trail #3. You might also briefly encounter parts of the Sky Islands Traverse, Mint Spring Trail #20, Sunset Trail #90, and Wilderness of Rocks Trail #44.

While the climb to Marshall Saddle is comfortable, the descent on the Aspen Trail can be quite steep in places. Wearing appropriate hiking shoes with good grip is recommended. Also, consider hiking the loop clockwise to get the steeper ascent out of the way earlier, though the descent will still require careful footing. Starting early can help you avoid crowds and enjoy the cooler morning temperatures.

The diverse ecosystems mean you could spot various wildlife, from birds to smaller mammals. The plant life is rich, featuring Douglas-fir, white fir, Gambel and silverleaf oak, madrone, and, of course, abundant aspen trees. The riparian areas along the creek are particularly lush.