No. Dogs are not permitted on Yellowstone trails.

Avalanche Peak Trail - 10mi Strenuous

Q: Can I do this trail if I'm not super fit?

Honestly, no. This is a strenuous hike with 2,100 feet of steep elevation gain. You need solid hiking fitness and leg strength. If you're new to hiking, train on easier trails first.

Q: What if I get altitude sickness at 10,500 feet?

Possible but rare at this elevation. If you feel dizzy, nauseous, or short of breath, descend immediately and drink water. Acclimatize gradually—don't rush the ascent.

Q: Is it safe to hike alone?

No cell service and remote location make solo hiking risky. Hike with a partner if possible. If alone, tell someone your plan and expected return time.

Q: Do I need trekking poles?

Highly recommended, especially for descent. They'll protect your knees on the rocky, steep terrain and provide stability on talus.

Distance

10 mi

Elevation Gain

2,100 ft

Est. Time

3-4 hours if you're fit and acclimated; 5+ hours if you struggle with altitude or take time at the summit.

Route Type

Out-and-back

Dogs Allowed

Best Season

Late July through August

Overview

About This Trail

Avalanche Peak is a straight-up lung-buster: 2,100 feet of elevation gain in just over 2 miles of relentless switchbacks and talus slopes leading to an exposed alpine ridgeline at 10,500+ feet. The payoff is unquestionable—summit views of Yellowstone's tallest and most remote peaks. But this is not a casual stroll; the grade is steep, the air is thin, and the descent will test your quads. Only for strong hikers comfortable with exposure.

Highlights

Difficulty Level

Strenuous

Trail Highlights

360-degree alpine summit views of Yellowstone's tallest and most remote peaks from an exposed 10,500+ foot ridgeline. This is raw, high-altitude mountain scenery.

Insider Tips

• The false summit at 1.5 miles may tempt you to turn back—don't. The real payoff is another mile beyond. • Descend slowly: the talus on the way down is treacherous on tired legs. • The ridgeline crossing is brief but exposed—plant each foot with intention. • Start hydration early; by mile 2 you'll feel the altitude. • If you encounter bears, back away slowly and make noise.

Best Season to Hike

Late July through August

Hiking Tips

Carry 3L of water minimum—the alpine section offers zero water sources.
Tighten your boots: talus is unforgiving.
Trekking poles will save your knees on the descent.
Make noise ascending—bear country.
Bring rain gear and layers; temperature drops ~30°F at elevation.
Leave no trace at the summit—stay on established trails through talus.
Turn back if thunderstorms approach; above treeline you're a lightning rod.

Family Info

Not suitable for young children or those with heart/respiratory problems. The steep grades, altitude, and exposed ridgeline crossing demand strong fitness and sure footing. Supervise any child attempt very closely.

What Hikers Say

Hikers consistently report the ascent as brutally steep but the alpine summit views make every vertical foot worthwhile. This trail separates the serious hikers from the casual day-trippers. The descent is as challenging as the ascent—tread carefully.

Details

Trail Specifications

Distance: 10 miles

Elevation Gain: 2,100 ft

Duration: 3-4 hours if you're fit and acclimated; 5+ hours if you struggle with altitude or take time at the summit.

Difficulty: Strenuous

Route Type: Out-and-back

Surface: Rocky, loose talus, steep switchbacks, bare ground. Expect scree above treeline.

Getting There

Trailhead: Eleanor Lake pullout, 19 miles (30.6 km) east of Fishing Bridge Junction or 8 miles (12.9 km) west of the East Entrance.

Parking: Small pullout; capacity unknown.

Fills Up: Full by mid-morning on summer weekends; early arrival essential.

Requirements

Permit Required

Day hiking does not require permits in Yellowstone.

Fees: $35 — Entrance - Private Vehicle (valid 7 days)

Shuttle Available

No shuttle available. Private vehicle required.

Trail Rules

Dogs: false

Biking: false

Trail Markers: Generally well-established but exposed; the talus and ridgeline section is marked but requires careful navigation. Blaze visibility can be limited.

Map/GPS recommended

Trail Features

Conditions & Safety

Water: No reliable water sources on trail. Carry all water—minimum 3 liters. Alpine water is nonexistent above treeline.

Shade: Fully exposed above treeline; initial forest section offers partial shade but most of the hike is sun-blasted alpine.

Cell Service: No cell service; assume offline.

Hazards:

Lightning is the primary threat above treeline—do not linger if storms approach. The ridgeline crossing is exposed with real drop-offs; steady footing required. Altitude (10,500+ feet) can trigger sickness in unacclimated hikers. Talus is loose and can shift. Grizzly bears frequent this area September-October seeking whitebark pine nuts; avoid those months. Snow remains through late June.

Emergency: Call 911. Fishing Bridge Ranger Station (19 miles west) is the nearest ranger facility.

Crowd Info

Typical Crowds: Moderate to light; the remoteness and difficulty keep casual hikers away.

Peak Times: Summer weekends, particularly July-August mid-day.

Accessibility & Family

Accessibility:

Rooty, rocky, steeply graded switchbacks ascending 2,100 feet. Talus and scree slopes are unstable. Exposed ridgeline with narrow trail and drop-offs. Not accessible for mobility devices or those with cardiac/respiratory issues.

Family Notes:

Nearby Facilities

Fishing Bridge area (19 miles west) offers ranger station, lodging, gas, and supplies. Eleanor Lake pullout has minimal facilities.

What Hikers Say

FAQs

Are there grizzly bears on this trail?

Yes. Grizzlies frequent this area, especially in fall seeking whitebark pine nuts. Hiking is not recommended September-October. During the open season (July-August), hike early, make noise, and carry bear spray if comfortable.

Can I do this trail if I'm not super fit?

What if I get altitude sickness at 10,500 feet?

Is it safe to hike alone?

Do I need trekking poles?

Can I bring my dog?

🏞️ National Park Service 📝 YourNPGuide Editorial

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