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Back Forty at Alta Ski Area

Advanced · 659 m long with 241 m of vertical, averaging 20° and 36° at its steepest, facing NW.

36°steepest 50 m
20°average pitch
659 mlength
241 mvertical
3158 mtop elevation
NWfaces

Snow and sun

Back Forty is poleward-facing: least winter sun, holds cold powder longest, can stay firm or icy.

How to get to Back Forty

Lifts that reach the top: Supreme (skiing advanced terrain to get there).

From the base area (about 14 minutes, advanced skiing needed):

  1. Ride Sunnyside
  2. Ski Dipsy Doodle (easy)
  3. Ski Over the River (easy)
  4. Ride Supreme
  5. Ski Big Dipper (intermediate)
  6. Ski Sunset (advanced)
  7. Ski Sidewinder (advanced)
  8. Ski Back Forty (advanced)

Where it ends

Joins Sidewinder. Nearest lifts from the bottom: Supreme (3 min), Sugarloaf (3 min), Sunnyside (7 min).

See Back Forty on the 3D mapAll runs at Alta Ski Area
Measured from OpenStreetMap geometry and elevation via OpenSkiMap (ODbL). Times are rough. Grades, grooming and openings change day to day — check the resort's own reports.