About Duffey

This page shows the current backcountry snow report, avalanche forecast, and weather conditions for Duffey. Check the danger rating, field observations, and Doctor's Orders summary above before heading out.

The Duffey region represents the northern terminus of the Sea to Sky corridor, centered around the high mountain pass that connects Pemberton to Lillooet. Situated within the rainshadow of the primary Coast Range, this area is characterized by a dramatic transition from the lush, glaciated peaks of the south to a more rugged and increasingly arid landscape. The terrain is defined by its high-alpine accessibility, offering a dense concentration of sharp granite peaks, deep north-facing cirques, and expansive sub-alpine bowls. Areas like the Cayoosh, Joffre, and Rohr massifs are the primary draws, featuring world-class technical descents and reliable high-altitude touring that remain accessible late into the spring season due to the region's elevated starting points. The snow climate in the Duffey is transitional, marking the boundary between the heavy moisture of the coast and the colder, drier influences of the interior. While the region still receives significant storm totals, the snow behavior is notably different than in the Squamish or Whistler zones, often yielding a lighter and more consistent powder quality. The rainshadow effect of the western peaks frequently protects the Duffey from the worst of coastal rain events, though it also results in a slightly shallower and more complex snowpack that is prone to developing persistent weak layers during cold, clear spells. Mid-winter conditions are characterized by cold-smoke accumulation and significant wind-loading on high-alpine lee slopes, eventually settling into a resilient base that supports an exceptionally long and reliable ski season.

Terrain within this zone includes: Cayoosh, Rohr, Wendy Thompson, Joffre, Steep Creek, Caspar, Spider, Van Horlick, Blowdown, Matier, Chief Pascal, Cerise Creek, Keith Hut.