Alpe d'Huez Grand Domaine · France
Tunnel
Excellent
Elevation profile
Run analysis
Tunnel is a black (advanced) run at Alpe d'Huez Grand Domaine measuring 1.4 km, dropping 441 m from 3100 m down to 2659 m. It averages a 32% gradient, steepening to around 87.1% at its most sustained pitch.
Snowboard-friendly: no significant flat or uphill sections detected along the descent.
Watch for 2 uphill sections: 25 m of climb about 525 m in; 25 m of climb about 600 m in.
Bonvo Slope Score: 59/100 — Excellent
Scored from the run's real geometry — steepness is judged against what a black (advanced) run should feel like, so every difficulty class can reach 100. Methodology
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