MontGranier
11.3KM
0.8kM
1d
Standing as a massive limestone sentinel, Mont Granier in the Chartreuse Massif above Chambéry is the northern pillar of the region. Infamous for the catastrophic landslide of 1248, it features the highest vertiginous cliff face in France—a sheer 900-meter drop. The 11.3km circular hike via the Pas des Barres is an adventurous route that winds through steep beech forests before tackling the vertical limestone barriers with iron cables and rungs. The summit plateau offers a sweeping 360° panorama of the French Alps. Note: Compiled from public sources — not a field report.
Mission Directive / X-Factor
“The 900m Vertical Drop. The 'X-Factor' is the visceral thrill of the summit ridge. Once you break through the final rock chimney and step onto the grassy, unexpectedly flat summit plateau, hikers can walk (very carefully) to the northern edge. Looking straight down the perfectly vertical, 900-meter-high cliff face to the vineyards far below induces immediate, profound vertigo.”
Hazard Assessment
The northern cliff face is completely unguarded and the massif is geologically unstable; significant rockfall events have occurred in recent years.
MITIGATION: Do NOT approach the absolute edge of the cliff; stay well back on the solid grass and keep dogs on a lead.
The Pas des Barres section involves rock scrambling. A fall in this section could result in serious injury.
MITIGATION: Requires a steady head for heights. In wet weather, the polished limestone is severely slippery; avoid the Pas des Barres in the rain.
Critical Loadout
Water Logistics
HIKING
PATHWAY
Alps (Chartreuse Massif) // hiking
La Plagne to the Cliff Base
A very steep, quiet grind up through dense deciduous and pine forests to hit the base of the massive limestone walls.
The Pas des Barres Scramble
Stowing trekking poles to use both hands. Climbing up a series of natural rock chimneys equipped with chains, cables, and iron steps.
Summit Plateau and Descent
Reaching the stunningly flat plateau, admiring the demanding drop, and descending via the slightly gentler (but still very steep) 'Balme' trail.
| Step | Sector / Waypoint | Dist. | Gain (↑m) | Duration | Assessment |
|---|---|---|---|---|---|
| 1 | La Plagne to the Cliff Base A very steep, quiet grind up through den... | 1 hour 30 min | --- | 1 hour 30 min | Standard Segment |
| 2 | The Pas des Barres Scramble Stowing trekking poles to use both hands... | 1 hour | --- | 1 hour | Standard Segment |
| 3 | Summit Plateau and Descent Reaching the stunningly flat plateau, ad... | 2 hours 30 min | --- | 2 hours 30 min | Standard Segment |
Technical Specifications
DOC_REF: GOLDEN_HIKING_FRANCE_019Refuge Capacity
The Chartreuse is dotted with small, authentic mountain 'Auberges'. Chambéry offers city hotels close by.
Regulatory
- Permit NONE
- Authority Parc naturel régional de Chartreuse
No permits. However, certain approach trails are occasionally closed by the prefecture following massive rockfalls; always check locally.
Climatology
- OptimalJun, Jul, Aug, Sep, Oct
Strictly limited to late May through October. The Pas des Barres is extremely dangerous when icy; requires full winter alpine equipment and experience.
Emergency / Comms
- Rescue (EU) 112 ACTIVE
- Signal Partial
Compare With Other Hikes
Side-by-side metric analysis. Compare Mont Granier directly against similar routes ÔÇö distance, elevation gain, HikeMetrics Hazard Score, and more.
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