Evasion Mont Blanc · France
Tierces
Red (intermediate)
65
Excellent
1.9 km
Length
438 m
Vertical drop
2232 m
Starts at
1793 m
Ends at
23.4%
Avg gradient
51.8%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Tierces is a red (intermediate) run at Evasion Mont Blanc measuring 1.9 km, dropping 438 m from 2232 m down to 1793 m. It averages a 23.4% gradient, steepening to around 51.8% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for an uphill section: 25 m of climb about 725 m in.
Bonvo Slope Score: 65/100 — Excellent
Vertical15/30
Length9/25
Gradient character25/25
Flow16/20
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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