Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
The easiest place to trigger a deadly slab avalanche is a steep easterly-facing slope where drifted snow accumulated below a ridgeline. South and west-facing slopes offer a firmer and safer snowpack. On northerly and easterly-facing terrain, choose slopes less than about 35 degrees.