Trail

Alta Winter Trail

Trail
A skier skis down a trail with a snowy landscape in the background.

The Alta Trail is a hard cross-country ski descent dropping nearly 1,000 feet from Wolverton through Giant Forest, threading steep terrain between massive sequoias while passing multiple trail junctions. This is technical, not scenic—expect dense forest, relentless steepness, and high-consequence terrain where control failures are fatal. Only viable in winter with expert ski skills and avalanche literacy.

Quick facts

Distance Miles
6.2
Route Type
Out-and-back (descending)
Difficulty Level
Hard
Elevation Gain Feet
696

Trail profile

Distance Miles
6.2
Route Type
Out-and-back (descending)
Difficulty Level
Hard
Elevation Gain Feet
696
Estimated Time
6–8 hours round trip, depending on snow conditions and fitness
Trail Surface
Snow and ice in winter; steep forest with dense conifers and scattered granite
Trail Features
  • Giant Forest sequoia groves
  • Steep forest descent through dense conifers
  • Trail junctions with Panther Trail, Crescent Trail, Bear Hill Trail
  • Ridge-top views from Wolverton
  • McKinley Tree Trail junction vista
Trail Highlights
Ski through the largest giant sequoia groves in the world while descending technical terrain. This is not sightseeing—it's earned passage through pristine, high-altitude wilderness where every turn is consequential.

Trailhead & access

Trailhead Location
Western end of Wolverton Parking Area
Shuttle Required
0
Shuttle Details
Not required

Permits & conditions

Permit Details
Not required
Fees
$35 entrance—Private Vehicle (valid 1–7 days for Sequoia & Kings Canyon National Parks)
Trail Status
Open seasonally when snow conditions permit
Seasonal Closures
May–October (snow melts; trail becomes non-viable for skiing)

Facilities & rules

Restrooms At Trailhead
1
Water Sources
Melt snow for water; no reliable water sources along the trail. Carry all hydration.
Accessibility
Wolverton parking area has accessible parking spots and accessible flush toilets. The trail itself is not accessible; it requires advanced winter skills, high fitness, and specialized gear. No alternative accessible winter routes from this trailhead.

Safety & strategy

Hazards
  • Avalanche terrain on steep descents
  • Icy conditions and tree wells
  • Steep drop-offs and tree obstacles
  • Extreme cold and altitude exposure
  • Whiteout visibility in storms
  • Relentless downhill with no bailouts
Hazard Details
NPS describes this as "a difficult ski with steep terrain and many trees." Avalanche risk is real on the descent into Giant Forest. Icy conditions create tree-well hazards where skis can sink and trap legs. Steep slopes mean loss-of-control slides are fatal. Cold at 8,000+ ft elevation is relentless; exposed skin freezes fast.
Cell Service
Unreliable in forest; assume no service for rescue coordination
Crowd Level
Moderate (winter ski traffic in peak season, but far fewer people than summer trails)
Peak Crowd Times
Christmas week, Presidents' Day weekend, early February weekends
Best Season
Winter (typically December–March when snow is present)
Best Time To Visit
December through March when snow conditions are stable and parking is accessible. Start by 7 AM to maximize daylight for the 6–8 hour round trip. Check NPS conditions weekly—inadequate snow closes the trail.
Tips Advice
  • Bring an avalanche beacon, probe, and shovel—the descent crosses avalanche terrain.
  • Double-layer your traction devices; icy slopes demand secure footing.
  • Pack 2–3 liters of water minimum; dehydration kills faster in cold.
  • Mark your descent line on a topo map before starting.
  • Turn back if visibility drops below 50 feet.
  • Ski the first ridge section in daylight; never attempt it in late afternoon.

More details

Park Area
Wolverton / Giant Forest area
Trail Markers
Well-marked cross-country ski trail; blazes are visible in snow, but whiteouts obscure them. Cairns mark junctions.
Dogs Allowed
No
Biking Allowed
No
Shade Level
Dense forest cover throughout; minimal direct sun exposure, but wind chill is severe at altitude
Emergency Contacts
Call 911 from the trailhead before departure. Check NPS website for ranger station contact at Wolverton.
Map Recommended
1
Snow Dates
December–March (exact dates depend on winter snowfall; check NPS conditions forecast weekly)
Mud Season
Not applicable—winter-only trail
Wildflower Peak
Not applicable—winter-only trail
Fall Colors Peak
Not applicable—winter-only trail
Bug Season
Not applicable—winter-only trail
Insider Tips
  • The ridge crest at the Panther Trail junction (Mile 1) is not a turnaround—continue south if you're committed to the steep descent.
  • The descent into Giant Forest is relentless and dizzying—ski in control, not for speed.
  • The section between Crescent Trail and Bear Hill Trail is the steepest; downclimb or sideslip conservatively.
  • If visibility drops, dig in and wait for clearing; getting lost at 8,000 ft in whiteout conditions is fatal.
Recent Updates
Check NPS website for winter trail conditions updates weekly; avalanche forecasts are posted seasonally.
Family Friendly Notes
Not suitable for families with young children. This is a hard ski descent with avalanche risk, extreme cold, and high-consequence terrain. Minimum age recommendation is 14+, and only if the teen is an advanced skier with avalanche training. No beginner options on this route.
Nearby Facilities
Wolverton Parking Area (restrooms, parking). Lodgepole Visitor Center ~5 miles south. No food or lodging at trailhead; nearest services in Three Rivers (30 miles downhill).
Review Summary
Skiers call this one of the hardest ski descents in the park. The consensus: "Worth every blister if you can handle the descent. The Giant Forest views feel earned. But if you're not an expert skier, this will humble you."

Location

Frequently asked questions

Do I need avalanche training to ski this trail?

Yes. The descent into Giant Forest crosses avalanche terrain. Bring a beacon, probe, and shovel, and know how to use them. If you've never had formal avalanche training, take a course before attempting this trail.

Can I hike this instead of ski?

No. NPS explicitly warns: 'Due to snowy and icy conditions, hiking without traction devices is not recommended.' Even with crampons and an ice axe, the slope is too steep and exposed. You need ski or snowshoe skills.

What if I get tired partway down?

You're committed to descending once you start. There are no bailouts or flat sections. Stop at a trail junction to reassess, but moving downhill is safer than stopping on a slope.

How much water should I carry?

Minimum 2 liters. You can melt snow, but it takes time and fuel. Dehydration at altitude kills fast. Bring a thermos of warm liquid if possible.

Is this trail crowded in winter?

Moderate traffic in peak season (Dec–Feb), but far fewer people than summer trails. Weekday ascents are quieter and safer—fewer ski collisions on narrow sections.

What if I can't finish in daylight?

Don't let this happen. Start by 7 AM for a 6–8 hour descent. If you're slow, turn back at Panther Trail junction (1 mile) and call it a day. Skiing in darkness is Russian roulette.

The General Sherman Tree

Largest tree by volume. 0.5 miles paved. Don't underestimate the 200-foot return climb—bring water and poles.

Road’s End

Your staging ground before the High Sierra. River views from Muir Rock with deadly currents to respect.

Wolverton Winter Trail

Steep winter ski run to Wolverton. Demands downhill control on a narrow, icy hillside. Not for beginners.

Zumwalt Meadow

Gentle riverside trail with scenic meadow payoff. Bear country—secure your food, arrive early.

Bear Hill Winter Trail

Easy ski/snowshoe under sequoias. 1mi, moderate grade. Winter conditions demand traction.

Sources

Information is compiled from official sources, verified traveler reviews, and editorial research. Learn how YourNPGuide works.

Last updated July 2026. Report an issue.