Evasion Mont Blanc · France
Marmire
Red (intermediate)
65
Excellent
1.5 km
Length
367 m
Vertical drop
1644 m
Starts at
1278 m
Ends at
24.8%
Avg gradient
46.6%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Marmire is a red (intermediate) run at Evasion Mont Blanc measuring 1.5 km, dropping 367 m from 1644 m down to 1278 m. It averages a 24.8% gradient, steepening to around 46.6% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 65/100 — Excellent
Vertical12/30
Length7/25
Gradient character25/25
Flow20/20
Scored from the run's real geometry — steepness is judged against what a red (intermediate) run should feel like, so every difficulty class can reach 100. Methodology
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