Donner Summit / Castle Peak

Donner Summit (I-80 corridor) · near Truckee / Soda Springs · Sierra Nevada / Yosemite

Backcountry Skiing

At a glance

Vertical
1500
Best season
January–April · Best January–March for powder · Spring consolidation (March–April) also excellent

Permits and booking

Permit
No permit. Tahoe National Forest — free day use. I-80 Boreal Ridge Road exit (Soda Springs). Park in Boreal Mountain parking area or at the Castle Peak trailhead near the rest stop.

Worth knowing

Gear you must bring
Beacon (avalanche transceiver) · Probe · Shovel · Skins or snowshoes for approach · Helmet · Navigation (topo map + GPS)
Gear worth bringing
Airbag pack · Ice axe (for steeper summit approaches)

Guides, rentals and operators

Guides
International Alpine Guides / Alpine Skills International · Blackbird Mountain Guides

Backcountry Skiing detail

Nickname
Most Accessible Backcountry in California
Directions note
Winter parking at the Donner Summit Sno-Park (Castle Peak exit off I-80) — Sno-Park permit required
Ates
challenging
Tour types
day-tour
Summit
9103
Approach
3–5 miles round trip · ~1,500ft elevation gain to Castle Peak summit
First timer with guide
Yes
Guide recommended
Yes
Avi zone
Sierra Avalanche Center · sierraavalanchecenter.org
Signature lines
Castle Peak Summit Bowl · Mount Judah Loop · Donner Peak
Intl tip
Truckee (15 minutes from the Donner Summit exit) has California's best ski-town restaurant scene for its size — Jax at the Tracks, Pianeta, Tahoe Mountain Brewing. The Donner Memorial and Donner Lake are worth the stop on the drive in for historical context on what this mountain pass has meant to California.

The guide

International Alpine Guides describes the Donner Summit and Truckee area as 'clearly the best in North Lake Tahoe and some of t…

In the Guidebook

Everything above is yours for free. The written guide to Donner Summit / Castle Peak — what it is actually like, and what we would tell a friend before they went — comes with the Guidebook.

Getting there

Coordinates
39.3125, -120.345

Driving directions

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