Arizona Trail

Overview

The Arizona Trail is an 800-mile National Scenic Trail stretching from the Mexico border at Coronado National Memorial to the Utah border on the Kaibab Plateau. Divided into 43 passages, it is one of the most diverse backpacking routes in North America, running from saguaro-studded Sonoran Desert valleys to ponderosa pine forests atop the Mogollon Rim, then descending into and climbing out of the Grand Canyon.

With roughly 113,000 feet of elevation gain, the AZT attracts experienced backpackers looking for a wild, less-traveled alternative to the "Big Three" long trails. Only about 100 people complete thru-hikes each year, so the community is tight-knit and the trail never feels like the PCT or AT. The trail demands strong navigation skills, careful water planning, and adaptability to extreme temperature swings: freezing nights in the high country and 90°F desert heat can happen within the same week.

Permits & Regulations

No permit is required to thru-hike the Arizona Trail itself, but overnight camping permits are mandatory in three areas:

Saguaro National Park (Passage 9): During peak seasons (January 15-April 30 and September 15-November 30), obtain the AZT Thru-Hiker permit through Recreation.gov up to the day you arrive. Valid for 14 days. Camping is restricted to the designated sites at Grass Shack or Manning Camp. Cost: Standard NPS backcountry permit fees apply.

Grand Canyon National Park (Passage 38): Requires a backcountry permit with camping at Bright Angel Campground (currently closed through 2025 due to Transcanyon Waterline construction) or Cottonwood Campground. Two sites are reserved for AZT thru-hikers (12 people total) at Bright Angel during April 4-May 31. Apply up to four months ahead through Recreation.gov. Walk-up permits are sometimes available at the South Rim or North Rim Backcountry Office. Note: The 2025 Dragon Bravo Fire has closed 25.5 miles from Clear Creek junction to Kaibab Plateau Trailhead. For the first time ever, there is no connected Mexico-to-Utah route.

Arizona State Trust Land: If you leave trail width or access certain trailheads, a $15 annual recreational permit is required from the Arizona State Land Department. It covers 9 million acres statewide.

There is no bear canister requirement, though food storage best practices apply. Fire restrictions vary by season and land agency; check current closures at aztrail.org/category/closures-reroutes.

Best Season

Northbound (Mexico to Utah): March-May

March is the best start month for northbound thru-hikers. Starting too early means freezing nights and deep snow on the Kaibab Plateau; too late and you hit brutal desert heat in the southern sections. Spring has the best water availability thanks to snowmelt, and you reach higher elevations as temperatures climb. Most hikers finish by late May or early June.

Southbound (Utah to Mexico): Late September-November

Southbound hikers typically start in late September or October for cooler temperatures at high elevation and access to Grand Canyon facilities before winter closures. Water sources are far less reliable in fall, though; their condition depends almost entirely on summer monsoon rainfall. Many streams and stock tanks that flow in spring will be dry by autumn.

Snow considerations: The Kaibab Plateau (northernmost 70 miles) holds snow well into spring, and in heavy snow years winter conditions can persist through April. The southern Sky Islands sections reach 9,300 feet but typically don't require snowshoes or crampons. Snow generally clears by mid-April in most areas.

Monsoon season (June-August): Afternoon thunderstorms bring lightning danger to exposed ridges and make clay soils treacherous when wet. Most thru-hikers avoid summer entirely.

Water & Resupply

Water planning defines the Arizona Trail experience. Carry 4+ liter capacity and never leave a source without filling completely.

Reliable year-round sources: The Gila River, East Verde River, and Colorado River flow consistently (though potentially silty). These are rated "4" on the AZT water reliability scale.

Seasonal sources: Most springs, streams, and stock tanks are seasonal, flowing only after rains or during snowmelt. Pools left behind after stream flow stops grow stagnant and muddy. In dry years, only "3" and "4" rated sources will have water. Spring snowmelt replenishes sources that gradually dry through late spring and summer; some flow for only days or weeks during peak runoff.

Water caches: Highly variable and unreliable. Early and late season hikers may find little cached water, even during peak season.

Finding water: Many sources lie off-trail and unmarked, so navigation skills matter. Water reports give directions like "0.3m NW"; expect a scavenger hunt. The AZT Water Report (linked to navigation apps) includes recent user comments on reliability and quality.

Resupply towns occur every 4-7 days: - Patagonia (full services) - Oracle (limited) - Superior ("Friendliest Town on the AZT") - Kearny (basic groceries) - Roosevelt Lake (limited) - Pine/Strawberry (small stores) - Flagstaff (major resupply)

The Arizona Trail Association has planned resupply access deliberately, and it is generally easy compared to other 800-mile trails. Hikers choose between mail drops and buying as they go; both strategies work well.

Hazards & Challenges

Rattlesnakes: Arizona hosts 13 rattlesnake species, more than any U.S. state. Most bites occur when hikers accidentally step on snakes. Use trekking poles to send ground vibrations as warning, and never step over rocks or logs without seeing the other side. Skip the earbuds; you need to hear warning rattles. Peak activity runs spring through fall, especially near water sources and rocky areas.

Lightning: Summer monsoons (June-August) bring violent afternoon thunderstorms, and lightning can strike 25 miles from rain clouds. Avoid exposed ridges, peaks, and open areas during monsoon season. Use the 30/30 rule: if thunder arrives within 30 seconds of the flash, you are at risk, and you should wait 30 minutes after the last strike before moving. Early morning starts help you reach shelter before afternoon storms build.

Navigation challenges: Unlike the well-established AT or PCT, the AZT has inconsistent signage across multiple land management agencies. Networks of cattle paths, rancher roads, and ATV tracks create confusion, and cairns sometimes replace signs. Even experienced hikers frequently get off-trail at unmarked junctions. Don't rely on one navigation method; carry map, compass, AND GPS/smartphone app, and trust your route-finding skills over electronics.

Extreme temperature swings: Desert sections can hit 90°F+ while high elevations drop below freezing at night, sometimes on the same day. The southern Sky Islands are considered the most physically demanding section.

Grand Canyon crossing: Requires 5,000 feet of descent followed immediately by a 5,000-foot climb, on steep, narrow paths with drop-offs and no guardrails. Currently (2025) closed due to the Dragon Bravo Fire.

Fire closures: In 2024, wildfires impacted 93 miles. The 2025 Dragon Bravo and White Sage fires have affected nearly 100 miles, with 35 miles directly impacted. Check current closures before departure.

Recent health concerns: Norovirus outbreaks have occurred around Kearny, Superior, and Roosevelt Lake. Practice strict hygiene at water sources.

Getting There

Southern terminus (Coronado National Memorial): No public transportation exists. Tucson is the nearest major airport (90 minutes). Shuttles are required: - Finding True North (520-344-2775): Southern Arizona specialist - Patagonia Shuttle (520-428-6888): $2.25/mile, max 4 passengers - Southwest Guided Adventures (520-296-9661): Mexico to Gila River coverage

Northern terminus (Kaibab Plateau/Utah border): Extremely remote. Nearest services are in Fredonia, AZ or Kanab, UT. Shuttles: - Grand Canyon Shuttles (928-421-1163) - All-Star Grand Canyon Tours (928-814-8887) - Trans-Canyon Shuttle (rim-to-rim and airport service)

Border Monument 102 (the traditional southern terminus) is currently inaccessible due to November 2025 concertina wire installation by Department of Homeland Security contractors.

Trail angels: The Arizona Trail Association maintains a database of trail angels offering shuttles, housing, water caching, and resupply help. This community is invaluable for logistics.

Tips

Sun protection is non-negotiable: There is little shade on most passages. Treat sunscreen, a sun shirt, a sun hat, sunglasses, AND a sun umbrella as essential gear. Many thru-hikers use umbrellas for walking shade.

Trekking poles serve double duty: Beyond stability on rocky terrain, they send vibrations that warn rattlesnakes of your approach.

Water filter maintenance: Stock tanks and cattle troughs hold marginal water. Carry a filter that can handle turbidity and backflush it frequently to prevent clogging.

Camp site selection: Avoid setting up near cacti and manzanita, which will shred shelters and sleeping pads. Look for durable surfaces: hard gravel, sandy washes, exposed bedrock, or already-impacted sites. Designated sites are required in Saguaro NP and the Grand Canyon.

Timing strategy: Plan your daily mileage around water sources, not arbitrary distances. Some stretches require 20+ mile waterless carries.

Navigation discipline: Download passage maps and waypoints before departure. The AZT smartphone app (via FarOut partnership) gives turn-by-turn guidance and recent water reports. Mark waypoints for off-trail water sources in advance.

Community connection: The Arizona Trail has a much wilder feel than the PCT, with only 5-10 thru-hikers passing daily during peak season. Most are experienced long-distance hikers (many PCT/CDT/AT veterans), which makes for useful knowledge-sharing on trail.

Clay soil warning: Sections from Flagstaff to the Grand Canyon become treacherous when wet. Avoid hiking these during or after rain; the sticky clay makes forward progress miserable.

Check fire status obsessively: With nearly 100 miles affected by 2025 fires and no Mexico-to-Utah connection currently possible, conditions change rapidly. Monitor aztrail.org/category/closures-reroutes weekly before and during your hike.