Evasion Mont Blanc · France
Tréfléannaise Bas
Blue (easy)
46
Very good
133 m
Length
15 m
Vertical drop
1237 m
Starts at
1222 m
Ends at
10.2%
Avg gradient
24.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tréfléannaise Bas is a blue (easy) run at Evasion Mont Blanc measuring 133 m, dropping 15 m from 1237 m down to 1222 m. It averages a 10.2% gradient, steepening to around 24.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 46/100 — Very good
Vertical1/30
Length1/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a blue (easy) run should feel like, so every difficulty class can reach 100. Methodology
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