TREKKING GRADES

Swiss Alpine Club Trekking Scale (SAC)

SCALE

ACTIVITY

TRAIL

TERRAIN

REQUIREMENTS

T1HIKINGTrail well clearedArea flat or slightly sloped, no fall hazardNone
T2MOUNTAIN HIKINGTrail with continuous line and balanced ascentTerrain partially steep, fall hazard possibleHiking shoes recommended

Some sure footedness

T3DEMANDING MOUNTAIN HIKINGExposed sites may be secured with ropes or chains, possible need to use hands for balancePartly exposed sites with fall hazard, scree, pathless jagged rocksWell sure-footed

Good hiking shoes

Basic alpine experience

T4ALPINE HIKINGSometimes need for hand use to get aheadTerrain quite exposed, precarious grassy acclivities, jagged rocks, facile snow-free glaciersFamiliarity with exposed terrain

Solid trekking boots

Some ability for terrain assessment

Alpine experience

T5DEMANDING ALPINE HIKINGSingle plainly climbing up to second gradeExposed, demanding terrain, jagged rocks, few dangerous glacier and névéMountaineering boots

Reliable assessment of terrain

Profound alpine experience

Elementary knowledge of handling ice axe and rope

T6DIFFICULT

ALPINE HIKING

Climbing up to second gradeOften very exposed, precarious jagged rocks, glacier with danger to slip and fallMature alpine experience

Familiarity with the handling of technical alpine equipment