GR34 — Sentier des Douaniers
Urnerboden to Altdorf (Klausenpass Route)
GR34 — Sentier des Douaniers vs Urnerboden to Altdorf (Klausenpass Route): Intensity Score Comparison
Both routes share a similar overall intensity (50 vs 51). Depending on personal strengths, the challenge relies more on Urnerboden to Altdorf (Klausenpass Route)'s technicality versus the physical output of the other.
Model-based (not a field report) · Evaluates overall route demand, not danger.
GR34 — Sentier des Douaniers
The GR34, also known as the Sentier des Douaniers (Customs Officers' Path), is a monumental 2,000km coastal trail tracing the entire perimeter of Brittany. One of the most iconic sections is the 120km stretch along the Pink Granite Coast (Côte de Granit Rose) in the Côtes-d'Armor. This section is famous for its bizarre pink granite formations, historic lighthouses, and the turquoise waters of the Atlantic. It is an accessible yet physically rewarding journey through some of the most unique coastal landscapes in France. Note: Compiled from public sources — not a field report.
Urnerboden to Altdorf (Klausenpass Route)
Technically Stage 8 of the Swiss Via Alpina, this traverse crosses the border between the Cantons of Glarus and Uri. Starting at Urnerboden—Switzerland's largest alpine pasture—the trail climbs toward the Klausenpass before a massive, spectacular descent into the Schächental valley. The path stays high on the sunny northern slope (the 'Schächentaler Höhenweg'), offering constant views of the jagged Glarus Alps and the limestone spires of the Schärhorn. It is a hike of immense scale and pastoral charm, passing through active cheese-making settlements.
Head-to-Head Metric Analysis
HikeMetrics Hazard Scale — Explanation
The HikeMetrics Hazard Scale is a proprietary 5-point classification system that evaluates hiking routes across five dimensions: physical demand, technical complexity, altitude exposure, weather risk, and rescue accessibility.
Unlike generic star ratings, the Hazard Scale is calibrated against altitude profiles, elevation gain per day, and logistical isolation factors — making it the most precise route classification system available.
Full Scale Documentation