Avalanche Terrain Exposure Scale

/Avalanche Terrain Exposure Scale
Avalanche Terrain Exposure Scale 2017-11-22T12:23:45+00:00

CAUTION! The Aran Avalanche Centre of the Conselh Generau d’Aran provides information on the conditions of the snowpack through the Avalanche Danger Bulletin and on the terrain characteristics through the ATES maps, and declines all responsibility for the damages that may occur derived from the interpretation and/or use of this information by the users. This information does not replace training, experience and good judgment of users.

Simple Terrain
Simple terrain has exposure to low angle or primarily forested terrain. Some forest openings may involve the runout zones of infrequent avalanches, but there are many options to reduce or eliminate exposure.

Challenging terrain
Challenging terrain has exposure to well defined avalanche paths, starting zones, or terrain traps.Options exist to reduce or eliminate exposure with careful route finding.

Complex terrain

Complex terrain has exposure to multiple overlapping avalanche paths or large expanses of steep, open terrain. Here, there are multiple avalanche starting zones, many terrain traps below the open terrain and minimal options to reduce exposure.

Transitions

The boundaries between the different categories of terrain are not an exact line, but there exist transition strips. This is shown in the maps as an area where the colors overlap in a width of 20 m.

allau

Frequent Avalanche Paths

Areas where natural avalanches occur relatively frequently, especially with fresh snow or during melting due to rain or high temperatures.

itinerari

Suggested Itinerary

Some of the many possibilities that the area offers.

 And in the Google Earth file you can find as well…

caution

Advice for critical decision points

Point in the itinerary where you must decide which option to take according to the conditions and the group. Clicking on a critical decision point displays a set of specific advice for that particular point.

triangle

Main summits in the mapped areas.

refu

Huts and shelters

parking_lot

Parking

Most common parking spots for the suggested itineraries

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