South Mountain National and Alta Trail Loop

Despite being categorized as a touring bicycle route in some systems, this loop is not suitable for traditional touring cycling. The terrain is extremely rugged, rocky, and technical, designed for experienced mountain bikers and trail runners. Attempting it on a touring bike could lead to equipment damage and potential injury.

The trail is characterized by its highly rugged, rocky, and chunky terrain. It's almost entirely dirt and rock, featuring significant rock gardens, loose sections, and large boulders. Expect technical climbing and descending, with steep grades that often require advanced skills.

The recommended season for riding this trail is late fall to winter. This avoids the extreme heat of the Arizona summer, which can be dangerous due to limited water sources and the strenuous nature of the route.

Yes, the trail offers incredible panoramic views of the Phoenix metropolitan area and classic Sonoran Desert landscapes. You'll pass by notable highlights such as the San Juan Lookout and the historical site of Scorpion Gulch.

South Mountain Park Preserve has several access points. For this loop, common starting points are often near trailheads that connect to the National or Alta Trails. Specific parking information can usually be found on the City of Phoenix Parks and Recreation website.

Generally, there are no entrance fees for South Mountain Park Preserve. However, it's always wise to check the official City of Phoenix website for any current regulations, hours of operation, or specific rules regarding trail use, especially for events or larger groups.

Water sources are very limited within South Mountain Park. You can find fountains at Pima Canyon Trailhead and the South Mountain Environmental Education Center. Natural water sources are non-existent, so it is crucial to carry sufficient water, especially during warmer months.

Dogs are generally allowed on trails within South Mountain Park Preserve, but they must be kept on a leash at all times. Given the extreme difficulty and rugged terrain of this specific loop, consider if it's truly suitable for your dog's fitness and paw health.

Yes, this route incorporates sections of several other trails. You will encounter parts of the Maricopa Trail, National Trail, Sun Circle Trail, Phoenix Sonoran Bikeway, Bajada Trail, and Alta Trail, among others.

Given the expert-level difficulty and remote nature, essential gear includes plenty of water (more than you think you'll need), appropriate mountain biking or trail running gear, a helmet, repair kit, first-aid supplies, sun protection, and a reliable navigation device. Due to the technical terrain, sturdy footwear is also critical.

South Mountain Park is home to diverse desert wildlife. You might encounter various bird species, lizards, and possibly larger animals like javelina, coyotes, or even rattlesnakes. Always maintain a respectful distance and be aware of your surroundings.