Bulletins

Yoho National Park

Restricted Activity Notice: Backcountry travel by any custodial group

Issued: November 15, 2023

Ends: April 30, 2024

AVALANCHE TERRAIN EXPOSURE SCALE (ATES)

Pursuant to subsection 7(1) of the National Parks General Regulations, the following activity is restricted or prohibited in Banff, Yoho and Kootenay National Parks:

Backcountry travel by any custodial group* in avalanche terrain described by the Avalanche Terrain Exposure Scale (ATES) as class 2 and 3, between the dates of November 15 and April 30.

* A “custodial group” means a group affiliated with an institution, where at least one person is below the age of majority and that minor is not in the company of his/her parent or legal guardian. Institutions include but are not limited to schools, Scouts/Guides, churches, clubs, cadets, and community youth programs.

Subject to the following restrictions, authorization for a custodial group to travel in ATES class 2
avalanche terrain may be granted by the Superintendent:

1.1  The custodial group must be led by a mountain, alpine or ski guide certified by the Association of Canadian Mountain Guides or International Federation of Mountain Guide Associations.

1.2  Maximum group size is nine (9) persons plus certified guide(s).

1.3  Authorization for travel by a custodial group in class 2 terrain will only apply when the certified guide has rated the slope specific“Danger Rating” in that area to be ‘Low’ or‘Moderate’.

Backcountry travel by a custodial group in areas of the Park designated as ATES class 3 avalanche terrain is prohibited.

Travel in ATES class 1 avalanche terrain is not restricted.

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