Evasion Mont Blanc · France
Tréffléannaise - Bonjournal
Blue (easy)
21
Gentle
54 m
Length
27 m
Vertical drop
1787 m
Starts at
1760 m
Ends at
36%
Avg gradient
50.4%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tréffléannaise - Bonjournal is a blue (easy) run at Evasion Mont Blanc measuring 54 m, dropping 27 m from 1787 m down to 1760 m. It averages a 36% gradient, steepening to around 50.4% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 21/100 — Gentle
Vertical1/30
Length0/25
Gradient character0/25
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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