Analysing terrain data
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The exposure grade does not take into account objective hazards (stone fall, seracs, etc) but only the consequences of the skier falling.
Low Exposure (E1): Exposure is limited to that of the slope itself. Getting hurt is still likely if the slope is steep and/or the snow is hard.
Medium Exposure (E2): As well as the slope itself, there are some obstacles (such as rock outcrops) which could aggravate injury.
High Exposure (E3): In case of a fall, death is highly likely.
Extreme Exposure (E4): In case of a fall, the skier faces certain death.
The Abiathar Couloir is One of the most epic lines around.
The chute is about 1000 feet vertical with huge rocks walls on either side; it's like you are inside the mountain.
It gets very steep towards the top, finishing at a cool 55 degrees.
It just keeps tightening and steepening the whole walk up, and eventually you just have to stop and ski back down.
It's generally about 25 feet wide.
There is a large apron of about 1000 feet underneath this behemoth.
Head into the Park about a mile and park at a pull out on the South side of the road.
Cross the creek and head south-east for almost a mile then take a right into dense trees and stay a few hundred feet above the creek drainage.
Traverse at this elevation until you are underneath the couloir.
The total distance is only about 2 miles.