Terrain in which the consequences of an avalanche are especially hazardous, such as a gully, an abrupt transition, an avalanche path that terminates in trees, a crevasse field or a cliff. Terrain Trap: What will happen if it slides? The consequence of an avalanche is one of the most important factors in judging the danger of avalanche terrain. Bad consequences include trees (the “giant bread slicer”) a large cliff or a terrain trap. A terrain trap is a sharply concave part of the runout such as a gully, an abrupt transition or a crevasse where avalanche debris will pile up deeply. Since shoveling takes such a long time, deep burials have a very low chance of survival. Very few victims live from burials deeper than about 5 feet. Even a small avalanche off the side of a gully can have very deadly consequences. Additional Terms: Anchors Hard Slab Avalanche Slide Aspect High Danger Sluff Avalanche High Marking Snowpit Avalanche Path Isothermal Soft Slab Avalanche Avalanche Transceiver Layer, Snow Stability Bed Surface Leeward Stability Test Collapse Loading Starting Zone Concave Slope Loose Snow Avalanche Stepping Down Considerable Danger Low Avalanche Hazard Sun Crust Convex Slope Melt-Freeze Snow Surface Hoar Cornice Metamorphism, Snow Sympathetic Trigger Corn Snow Moderate Danger Temperature Gradient Couloir Persistent Weak Layers Terrain Trap Cross Loading Point-Release Track Crown Face Probe Trigger Danger Ratings Propagation Trigger Point Deep Slab Avalanche Rain Crust Upside-Down Storm Density, Snow Remote Trigger Weak Layer Depth Hoar Rime Weak Interface Dry Snow Avalanche Runout Zone Wet Snow Avalanche Extreme Danger Sastrugi Windward Faceted Snow Settlement Wind Loading Fracture Ski or Slope Cut Wind Slab Glide Skinning, Skin Track Whumpf Graupel Slab   This glossary contains excerpts from "STAYING ALIVE IN AVALANCHE TERRAIN", by Bruce Tremper -