HikeMetrics
Global Hiking Index
Hiking Route Dossier

Urnerboden to Altdorf (Klausenpass Route)

Updated 2026
Technical Class
Level 3: Moderate
Best For
Endurance for 25km+ days and comfort with sustained downhill.
Not Ideal For
Inexperienced solo hikers
Total Commitment
1 Day · 27km+1,050m Total Ascent
Route Snapshot

This route covers 27km return.It involves around 1,050m of cumulative elevation gain.

The route reaches roughly 1,948m at its highest point. While the altitude is moderate, weather exposure and wind can make conditions feel more demanding than the elevation suggests.

Technically, the Urnerboden to Altdorf (Klausenpass Route) standard trail is a scramble. The primary difficulty is the sustained physical effort required or technical terrain features.

Overview

Distance27km
Elevation+1,050m
Days1

Technical Summary

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 Crux

The Mist and the Limestone Spires. The 'X-Factor' here is the atmospheric quality of the Schächental. In autumn (October), it is common for the valley floor to be filled with a 'sea of fog' (Nebelmeer), while the trail stays in glorious sunshine. Looking across the white mist to the jagged, needle-like peaks of the Schärhorn creates a scene of ethereal beauty that feels isolated from the modern world.

Ideal For
Endurance for 25km+ days and comfort with sustained downhill.
Risk Level
Moderate technically, but severe weather-dependent endurance.
Why Choose This
Standard safety protocols and localized hazard assessments based on park regulations.

Hazard Assessment

What is the most dangerous section of the Urnerboden to Altdorf (Klausenpass Route)?
knee strain extreme descent

The final 1,900m descent from the high trail into Altdorf is incredibly taxing on the quadriceps and knees.

Recommended Mitigation
Use the Ratzi or Ruogig cable cars to skip the final 1000m of descent; use trekking poles with rubber tips for the road sections.View Hazard Classification Scale →
navigation in mist

If the fog rises to the trail level, visibility can drop, making it hard to follow the white-red-white markers through the pastures.

Recommended Mitigation
Carry a GPS-enabled map; stick to the gravel farming roads if visibility drops below 50m.View Hazard Classification Scale →

The Expert Take

Success on this route requires balancing physical stamina with environmental awareness.Local conditions shift rapidly; always verify forecasts with regional authorities before moving to higher ground.

Editorial AnalysisHikeMetrics Research Team

Stage Breakdowns

How long does it take to hike the Urnerboden to Altdorf (Klausenpass Route)?
3 Stages
Start
Standard Pace

Urnerboden

Walking across the massive communal pasture toward the Klausenpass.

Target Duration1.5 hours
Tap to expand stage details
The High Path
Scenic Flow

Schächentaler Höhenweg

The scenic heart of the hike. Stunning balcony views above the valley.

Target Duration4 hours
Tap to expand stage details
Finish
Standard Pace

Altdorf

Descending past the cable car stations into the town of William Tell.

Target Duration2.5 hours
Tap to expand stage details

Route
Geometry

Topographical Data & Reference Points

Key Reference PointsURNERB
  • Route Typehiking
  • Highest Pointpeak elevation on route
    1948m
  • Lowest Pointvalley floor elevation
    458m
  • GPS Location46.8920°N 8.9200°E

Technical Profile

REF ID // URN-2026

Vertical Ascent Profile

An initial steady climb to the pass, followed by a long, high-level contouring walk and a final strenuous descent into the valley.

Terrain Characteristics

Scramble terrain (Class 2) — involves fixed-rope sections or often required hand-use on steep terrain.

The cumulative energy expenditure for Urnerboden to Altdorf (Klausenpass Route) represents a significant physical commitment. Success requires adequate preparation and moisture management.

Topographical profile correlates with stage-by-stage breakdown. Data referenced from regional park authority sources and topographic surveys.

Technical
Matrix Profile

The HikeMetrics Global Matrix provides an objective, multi-dimensional assessment of technical difficulty, exposure risk, and environmental load.

Expert Verification v1.0
Terrain Type
Alpine Ridge
A
Movement Class
Scramble (Class 2)
Class 2
Exposure Level
Serious injury possible
E2
Remoteness Index
Half-day Evacuation
R2
Environmental Load
Wind / Sleet
W
Risk Summary

Professional evaluation of route mechanics and environmental stress factors. Recommended for participants within specified technical scope.

Calibration Standard

This profile uses the HikeMetrics v1.0 risk matrix, prioritizing environmental stress and movement complexity over simple elevation metrics.

Technical Specs

Access & Logistics
Nearest AirportLocal Transit
Base Duration1 Days
AccommodationMountain hotels at Klausenpass or Altdorf.
Regulations
Land Access PermitNOT REQUIRED

No permit required.

Seasonality
Operational WindowVariable by altitude
JunJulAugSepOct

The Klausenpass is a high-altitude road pass; bus services only run when the road is clear (June-Oct). Regulations change; verify with the official park or local authority before departure.

Safety Index
Rescue Access
YES
Cell SignalExcellent

Compare This Route

Cross-Reference Analysis

Side-by-side metric analysis against comparable global routes.

Explore More In This Sector

Continue exploring routes grouped under this country and region hub.

Discover Additional Routes

Use the global index to compare distance, elevation gain, and route difficulty.

Route Questions

01

Is it too long for one day?

At 27km, it is a very long day. Many hikers stay overnight at the Klausenpass pass-hotel to split the route.

02

Do permit rules stay constant year-round?

Not always. Permit and guide requirements can change by season and region. Verify the latest rules with the official park office or local authority before departure.

03

What is the safest start-time strategy?

Start early and plan to clear exposed sections before midday. This reduces heat, storm, and visibility risk on most mountain routes.

04

How much water capacity is usually needed?

For exposed hiking days, carrying 2-3 liters is common. Increase capacity when refill reliability is low or temperatures are high.

05

Is mobile signal reliable on route?

Coverage is often patchy outside towns and major valleys. Treat phones as secondary tools and carry offline navigation resources.

Dossier Verification & Sync

Mapping Data
OSM / TOPO
Weather Ref
FORECAST / LOCAL
Authority
FORESTRY ADMIN
Anchor Check
GEOMETRY-SYNC

Data points indexed in this dossier are cross-referenced against authoritative land management records and regional mapping. HikeMetrics maintains independent verification protocols for all primary route geometry.

HikeMetrics Dossier
Urnerboden to Altdorf (Klausenpass Route)