Espace Diamant (Les Saisies) · France
Hirondelle
Red (intermediate)
52
Very good
1.0 km
Length
163 m
Vertical drop
1776 m
Starts at
1613 m
Ends at
15.5%
Avg gradient
33.9%
Max gradient
sustained 50 m
Elevation profile
Run analysis
Hirondelle is a red (intermediate) run at Espace Diamant (Les Saisies) measuring 1.0 km, dropping 163 m from 1776 m down to 1613 m. It averages a 15.5% gradient, steepening to around 33.9% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Bonvo Slope Score: 52/100 — Very good
Vertical5/30
Length5/25
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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