Driving the steep service road to Greppon Blanc in Valais
Switzerland, europe
5.3 km
2,635 m
extreme
Year-round
# Greppon Blanc: Alpine Adventure in the 4 Vallées
Ready for some serious alpine thrills? Greppon Blanc is calling—a stunning 2,635m (8,645ft) peak sitting pretty above the Veysonnaz and Thyon resorts in Switzerland's legendary 4 Vallées ski area.
The views alone are worth the drive. On a clear day, you're treated to jaw-dropping 360-degree panoramas of the Pennine Alps, with the iconic Matterhorn and Dent Blanche dominating the horizon. The landscape is raw and unfiltered—limestone rocks, sparse alpine vegetation, and that biting mountain wind that never seems to stop.
Here's where it gets real: the 5.3 km (3.29 miles) ascent from Thyon is no Sunday drive. You'll climb 529 meters with an average gradient of nearly 10%, but don't be fooled by "average"—the steepest sections hit a whopping 30%+. The surface is basically loose stones and rocky gravel that gets increasingly sketchy the higher you go. Seriously, bring a proper 4x4 with low-range gearing. Traction issues? Basically guaranteed.
This narrow maintenance track (originally built to service chairlifts) offers zero safety barriers and demands serious respect. You can only tackle it summer months—late June through September, weather permitting. Even then, mountain storms can roll in fast with snow and fog, catching you off guard.
Only experienced mountain drivers should attempt this one. If you know your way around high-altitude, loose terrain and aren't fazed by steep drop-offs and potential service traffic, Greppon Blanc delivers an unforgettable experience.
Where is it?
Driving the steep service road to Greppon Blanc in Valais is located in Switzerland (europe). Coordinates: 47.1007, 8.0659
Road Details
- Country
- Switzerland
- Continent
- europe
- Length
- 5.3 km
- Max Elevation
- 2,635 m
- Difficulty
- extreme
- Coordinates
- 47.1007, 8.0659
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