Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alpine
- Treeline
- Below treeline
- Likelihood
- Possible
- Size
- 1–2
You are unlikely to get any obvious signs of instability before you trigger an avalanche to the ground. Slopes with pillows of firm wind-drifted snow are the most dangerous. You are most likely to trigger a slide from invisible shallower areas of the slope, so stick to low-angle terrain on these aspects. Slopes sheltered from the wind and south slopes offer safer travel.