Canada Avalanche Map Layers


"What's the danger?" Here are autogenerated DEM Shading rules for each advisory zone that allow for quickly adding avalanche danger, problems, and sun angle layers to CalTopo maps. Reports sourced from avalanche.org.

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Select A Zone:

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Moderate danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')
2025-01-21 Deep persistent slab
  • All aspects (above 9001')
  • All aspects (7501' to 9000')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Considerable danger (above 9001')
  • Considerable danger (7501' to 9000')
  • No rating (below 7500')
2025-01-21 Persistent slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')
2025-01-21 Wind slab
  • NW to SE aspects (above 9001')
  • NW to SE aspects (7501' to 9000')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • NW to SE aspects (above 9001')
  • NW to SE aspects (7501' to 9000')
2025-01-21 Persistent slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')
2025-01-21 Persistent slab
  • All aspects (above 9001')
  • All aspects (7501' to 9000')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Moderate danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • N to S aspects (7501' to 9000')
  • N to S aspects (above 9001')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Persistent slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Considerable danger (above 9001')
  • Considerable danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Persistent slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')
2025-01-21 Wind slab
  • All aspects (above 9001')
  • All aspects (7501' to 9000')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • N to SE aspects (7501' to 9000')
  • N to SE aspects (above 9001')
2025-01-21 Persistent slab
  • All aspects (above 9001')
  • All aspects (7501' to 9000')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • N to S aspects (above 9001')
  • N to S aspects (7501' to 9000')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 3:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 5:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Early season (above 9001')
  • Early season (7501' to 9000')
  • Early season (below 7500')

Issued at: Tuesday, October 01, 2024 2:30PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • No rating (above 9001')
  • No rating (7501' to 9000')
  • No rating (below 7500')

Issued at: Friday, December 20, 2024 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Moderate danger (above 9001')
  • Moderate danger (7501' to 9000')
  • Low danger (below 7500')
2025-01-21 Wind slab
  • All aspects (7501' to 9000')
  • All aspects (above 9001')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada

Avalanche Report

2025-01-21 Avalanche Danger
  • Low danger (above 9001')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')

Issued at: Monday, January 20, 2025 4:00PM
Issued by: Avalanche Canada


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