Humphreys Peak Hiking & Trail Info
Humphreys Peak is the highest point in Arizona at 12, 633 ft. The hike to the summit is a strenuous 5-mile climb to the top and is not for beginners. You start in a flowery meadow near Arizona Snowbowl and then wind your way above the tree line. The entire hike will take you about 6-8 hours depending on your ability level and you will gain around 3,333 ft. in elevation. The trail begins at approximately 9,200 ft in elevation, so the air is much thinner than most are used to. As you ascend, breathing can be more challenging and you may need to stop more frequently to catch your breath. Please be careful, take training precautions, and listen to your body when embarking on this adventure. Know the signs of acute mountain sickness and descend if signs or symptoms persist.
Quick Stats

Location & Access
The Humphreys Peak Trail starts at the Arizona Snowbowl ski area, located about 14 miles northwest of downtown Flagstaff. Take U.S. Highway 180 north for 7 miles, then turn onto Snowbowl Road (Forest Road 516) and drive 7.4 miles to the large parking area near the upper lodge.
Route Overview
- Forest Section: The trail begins in dense pine and aspen forest with steady switchbacks.
- Saddle: About 3.5 miles up, you’ll reach the saddle just below the ridgeline—stop here to check the weather before continuing.
- Ridge & Summit: Above tree line, the trail becomes rocky and exposed with multiple false summits before reaching the top.
- Descent: Return via the same route; watch your footing on rocks and roots.
Best Time to Hike Humphreys Peak Trail
- Season: Late spring through early fall (after snow melt, before storms).
- Start Early: Begin at sunrise to avoid afternoon thunderstorms during monsoon season.
- Winter: The trail can be icy and snow-covered. Some mountaineering gear is often necessary for winter ascents.
Weather & Altitude Tips
- Altitude sickness can affect some hikers. Spend a night in Flagstaff to acclimatize if you can.
- Be prepared for strong winds and temperature drops at higher elevations.
- Afternoon lightning storms are common in summer—turn back if clouds begin to build.

What to Pack
- 2-3+ liters of water (no water sources on trail)
- High-calorie snacks and lunch
- Sturdy hiking boots and trekking poles
- Layered clothing: base, insulating, and waterproof shell
- Warm hat and sometimes gloves (even in summer it can be cold at the top)
- Sun protection: hat, sunglasses, sunscreen
- Map, GPS, or phone with offline navigation
- Headlamp, first-aid kit, and extra food
SAFETY TIPS
- Take breaks often and pace yourself. For most people, this can be a strenuous, high-elevation climb.
- If you feel dizzy, nauseous, or light-headed, descend immediately.
- Stay on the trail to protect the fragile alpine tundra above tree line.
- Dogs are allowed. Please be considerate of their abilities and comfort.
- There are two false summits. Keep going until you reach the true high point.
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