Trail
Avalanche Peak Trailhead 5N2
Avalanche Peak Trailhead is a strenuous out-and-back climb around 4.5 miles with roughly 2,100 ft of gain. The surface is packed dirt and rocky scree, with upper slopes that are loose and exposed. The trail is dry for most of the route, and above treeline you’ll face sun and wind with limited shade. Start early to beat the crowds, but be ready for a physical test and a big summit payoff.
Quick facts
- Distance Miles
- 4.5
- Route Type
- Out-and-back
- Difficulty Level
- Strenuous to Difficult
- Elevation Gain Feet
- 2100
Trail profile
- Distance Miles
- 4.5
- Route Type
- Out-and-back
- Difficulty Level
- Strenuous to Difficult
- Elevation Gain Feet
- 2100
- Estimated Time
- 3-4 hours
- Trail Surface
- Primarily packed dirt and rocky scree; loose rock on the upper slopes
- Trail Features
- 360-degree summit views of Yellowstone Lake
- Absaroka Range visible; potential sighting of Grand Tetons
- Alpine meadows with wildflowers
- Wildlife sightings including marmots and chipmunks
- False summit near the final approach
- Trail Highlights
- 360-degree summit panorama over Yellowstone Lake and surrounding ranges; alpine meadows and wildlife along the ridgeline
Trailhead & access
- Trailhead Location
- North side of East Entrance Road, near Eleanor Lake, Yellowstone NP
- Parking Lot Size
- Limited pullout near Eleanor Lake; capacity is restricted
- Parking Fill Time
- Lot fills quickly during peak season; arrive early
- Shuttle Required
- 0
- Shuttle Details
- No shuttle service mentioned
Permits & conditions
- Permit Details
- Park entrance fee applies; backcountry permits required for overnight camping
- Fees
- Park entrance fees apply
- Trail Status
- Open
- Seasonal Closures
- Snow can linger until early July; conditions vary with snowpack
Facilities & rules
- Restrooms At Trailhead
- 1
- Water Sources
- Trail is generally dry; early streams may be suitable for filtering; carry all water (3L+ recommended)
- Accessibility
- Difficult
Safety & strategy
- Hazards
- Grizzly bear country (especially in fall)
- High lightning exposure above treeline
- Fallen burned trees may pose hazards
- Steep, loose scree and footing
- Exposure to steep drop-offs; false summit can disorient
- Hazard Details
- Stay alert for wildlife; use bear spray and group travel; footing on scree demands focus; weather can shift rapidly above treeline; keep your distance from any steep edges
- Cell Service
- Extremely limited; likely a dead zone; assume no service
- Crowd Level
- Moderate to busy
- Peak Crowd Times
- Peak season; plan to arrive early to find solitude
- Best Season
- Mid-July through September
- Best Time To Visit
- Mid-July through September.
- Tips Advice
- Carry at least 3L water; this trail is dry for most of the way.
- Bear spray recommended; travel with others and make noise to avoid surprises.
- Start early to avoid afternoon thunderstorms; be below treeline by midday.
- Sturdy boots, layered clothing, and rain gear; microspikes may be necessary in early summer.
- Stay on the established trail; beware of a false trail near the summit.
- High sun exposure above treeline—bring sun protection and a hat.
More details
- Park Area
- Yellowstone National Park, East Entrance area, near Eleanor Lake, ~8 miles west of the East Entrance.
- Trail Markers
- Established trail; some reports of confusing markings near summit; stick to the known path
- Dogs Allowed
- No
- Biking Allowed
- No
- Shade Level
- Forested at the start; fully exposed above treeline; expect strong sun and wind
- Emergency Contacts
- Call 911 for emergencies; rely on Yellowstone NPS rangers; local search and rescue assets may be limited by terrain
- Map Recommended
- 1
- Snow Dates
- Snow can be present through early July; later depending on snowpack
- Mud Season
- Mud with snowmelt possible in early summer
- Wildflower Peak
- July
- Fall Colors Peak
- Early to mid-September
- Bug Season
- July-August
- Insider Tips
- Stay on the established trail; avoid a false trail to the right near the summit.
- Start early to beat thunderstorms; be below treeline by midday.
- Pack layers, rain gear, and sun protection; bring bear spray and travel with a buddy.
- Microspikes may be needed in early summer; expect loose scree and rapid weather shifts.
- Family Friendly Notes
- Not recommended for young children due to steepness, exposure, and hazards
- Nearby Facilities
- Vault toilet at parking lot; limited facilities elsewhere
- Review Summary
- Hikers call it a high-Grit mission: the gain is brutal but the payoff is substantial. The climb is demanding and crowded during peak season, but the summit delivers a panoramic payoff over the valley and lakes.
Location
Frequently asked questions
Are there bears on Avalanche Peak Trailhead 5N2?
Yes—bear country is native to the area, especially in fall. Carry bear spray, stay loud, travel in groups, and know how to use your spray if needed.
Is it safe to hike Avalanche Peak alone?
Cell service is extremely limited here; it's safer to hike with others and to carry a plan for emergencies. Let someone know your route and expected return time.
Do I need a backcountry permit for day hiking?
No backcountry permit is required for day hiking, but a Yellowstone park entrance fee applies. Backcountry permits are only needed for overnight camping.
What gear is essential for this climb?
Sturdy hiking boots, layered clothing, rain gear, sun protection, bear spray, trekking poles (helpful on scree), and microspikes may be necessary in early summer.
When is the trail typically less crowded?
Arrive early in the day and aim for mid-week visits during peak season to improve chances of solitude.
More at Yellowstone National Park
Purple Mountain Trailhead
6–6.6 miles out-and-back, 1,500–1,590 ft gain. High reward for the effort.
Wraith Falls Trailhead
Easy stroll to Wraith Falls. 0.8–1 mile round-trip. Carry water.
West Thumb Overlook Trail
1.7–2 miles; 200–400 ft gain. Loop with big payoff at the overlook.
Morning Glory Pool
2.8 miles round-trip; easy paved stroll with geysers along the route.
Brink of Lower Falls
0.7 miles out-and-back. Steep climb back. The brink of Lower Falls rewards the grit.
Yellowstone Lake Overlook Trail
1.7-mile loop. Modest climb. Lake overlook rewards the early arrival.
Recommended gear for Yellowstone National Park
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Sources
- nps.gov
- thejourneyest2016.com
- wanderlog.com
- sunlightsports.com
- backpacker.com
- annestravels.net
- hikingproject.com
- noahlangphotography.com
- youtube.com
- reddit.com
- backcountrypost.com
- National Park Service
- Google Reviews
- YourNPGuide Editorial
Editorial review: YourNPGuide Editorial Team. Information is compiled from official sources, verified traveler reviews, and editorial research; no firsthand visit is implied unless explicitly documented. Learn how YourNPGuide works.
Last updated January 2026. Report an issue.














