Hiking the Via Alpina - Scale of difficulty for hiking trails

The Swiss Alpine Club has published in april 2002 a new scale of difficulty for mountain hiking.

The new scale offers a good understandable classification for hiking trails.

Original article: The Alps, issue april 2002, SAC launches new scale of difficulty for hiking

T1 «Hiking»
Trail: Trail well cleared
Terrain: Area flat or slightly sloped, no falling hazard
Marking: If marked in accordance with SAW-standards: yellow
Requirements: Also for trainers suitable
Orientation unproblematic, also without map possible
T2 «Mountain hiking»
Trail: Trail with continuous line and balanced ascent
Terrain: Terrain partial steep, falling hazard not impossible
Marking: If marked: white-red-white
Requirements: A little sure-footed
Hiking shoes recommended
Basic sense of direction
T3 «Demanding mountain hiking»
Trail: Aground a track almost still existing, exposed sites may be secured with ropes or chains, possible needs to use hands for balance
Terrain: Partly exposed sites with falling hazard, scree, pathless jagged rocks
Marking: If marked: white-red-white
Requirements: Well sure-footed
Good hiking shoes
Medium sense of direction
Basic alpine experience
T4 «Alpine hiking»
Trail: Some tracks may be slightly abandoned, route partly pathless, in spots needs to use hands to get ahead
Terrain: Terrain already quite exposed, precarious grassy acclivity, jagged rocks, facile snow-free glaciers
Marking: If marked: white-blue-white
Requirements: Familiarity with exposed terrain
Solid hiking shoes
Certain appraisement of terrain and good ability for direction
Alpine experience
T5 «Demanding alpine hiking»
Trail: Often pathless, single plainly climbing up to second grade
Terrain: Exposed, demanding terrain, jagged rocks, few dangerous glacier and névé
Marking: If marked: white-blue-white
Requirements: Mountaineering boot
Safe appraisement of terrain and very good ability for direction
Good alpine experience and elementary knowledge of handling with ice axe and rope
T6 «Difficult alpine hiking»
Trail: Mostly pathless, climbing up to second grade
Terrain: Often very exposed, precarious jagged rocks, glacier with danger to slip and fall
Marking: Mostly not marked
Requirements: Excellent ability for direction
Matured alpine experience and familiarity knowledge of handling with technical alpine tools

Source: SAC - CAS