Telluride Ski Area · United States
Allais Alley
Double black (expert)Grooming: mogul
55
Excellent
504 m
Length
229 m
Vertical drop
3617 m
Starts at
3388 m
Ends at
43.5%
Avg gradient
71.3%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Allais Alley is a double black (expert) run at Telluride Ski Area measuring 504 m, dropping 229 m from 3617 m down to 3388 m. It averages a 43.5% gradient, steepening to around 71.3% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 55/100 — Excellent
Vertical8/30
Length3/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a double black (expert) run should feel like, so every difficulty class can reach 100. Methodology
Explore Allais Alley on the map
Loading interactive map…
Ski Allais Alley with the map in your pocket — offline.
Download the resort once in Bonvo Ski Maps and every run, lift and your friends' live positions keep working in airplane mode. Free this season.