Avalanche Danger Report Interactive Map

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"Where's the danger?" Here are autogenerated DEM Shading rules for each advisory zone that allow for quickly adding avalanche danger and problem layers to CalTopo maps.

Select A Region: All Regions Alaska Arizona California Colorado Idaho Montana New Hampshire New Mexico Oregon Utah Washington Wyoming Canada

Alaska

• Chugach State Park
• Seward and Lost Lake
• Summit Lake Friday, December 12, 2025 7:00AM
• Turnagain Pass and Girdwood Friday, December 12, 2025 7:00AM
• Douglas Island Sunday, April 13, 2025 7:06AM
• Juneau
• Cordova
• Eastern Alaska Range
• Chilkat Pass
• Lutak
• Transitional
• Hatcher Pass Friday, December 12, 2025 7:00AM
• Continental Friday, December 12, 2025 8:21AM
• Intermountain Friday, December 12, 2025 8:21AM
• Maritime Friday, December 12, 2025 7:59AM

Arizona

• San Francisco Peaks / Kachina Peaks Wilderness

California

• Bridgeport Avalanche Center
• Eastside Region
• Mount Shasta Friday, December 12, 2025 6:56AM
• Central Sierra Nevada

Colorado

• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM
• CAIC zone Friday, December 12, 2025 4:30PM

Idaho

• Selkirk Mountains Friday, December 12, 2025 6:53AM
• Silver Valley & Bitterroot Mountains Friday, December 12, 2025 6:53AM
• West Cabinet Mountains Friday, December 12, 2025 6:53AM
• Salmon River Mountains
• West Mountains
• Banner Summit Saturday, December 13, 2025 6:55AM
• Galena Summit & Eastern Mtns Saturday, December 13, 2025 6:55AM
• Sawtooth & Western Smoky Mtns Saturday, December 13, 2025 6:55AM
• Soldier & Wood River Valley Mtns

Montana

• Flathead Range & Glacier NP Saturday, December 13, 2025 6:58AM
• Swan Range Saturday, December 13, 2025 6:58AM
• Whitefish Range Saturday, December 13, 2025 6:58AM
• Bridger Range Saturday, December 13, 2025 7:14AM
• Cooke City Saturday, December 13, 2025 7:12AM
• Island Park Saturday, December 13, 2025 7:13AM
• Lionhead Area Saturday, December 13, 2025 7:13AM
• Northern Gallatin Range Saturday, December 13, 2025 7:15AM
• Northern Madison Range Saturday, December 13, 2025 7:15AM
• Southern Gallatin Range Saturday, December 13, 2025 7:13AM
• Southern Madison Range Saturday, December 13, 2025 7:13AM
• East Cabinet Mountains
• Purcell Mountains
• Bitterroot
• Rattlesnake
• Seeley Lake

New Hampshire

• Presidential Range Saturday, December 13, 2025 6:50AM

New Mexico

• Northern New Mexico

Oregon

• Central Cascades Friday, December 12, 2025 7:30PM
• Newberry
• Mt Hood Friday, December 12, 2025 6:00PM
• Southern Oregon
• Blues
• Elkhorns
• Northern Wallowas
• Southern Wallowas

Utah

• Abajos
• Logan Saturday, December 13, 2025 6:36AM
• Moab Saturday, December 13, 2025 6:12AM
• Ogden Saturday, December 13, 2025 7:13AM
• Provo Saturday, December 13, 2025 7:17AM
• Salt Lake Saturday, December 13, 2025 6:54AM
• Skyline Saturday, December 13, 2025 6:57AM
• Southwest
• Uintas Saturday, December 13, 2025 3:04AM

Washington

• East Slopes Central
• East Slopes North Friday, December 12, 2025 6:00PM
• East Slopes South
• Olympics
• Snoqualmie Pass Friday, December 12, 2025 6:00PM
• Stevens Pass
• West Slopes Central Friday, December 12, 2025 6:00PM
• West Slopes North Friday, December 12, 2025 6:00PM
• West Slopes South Friday, December 12, 2025 6:00PM

Wyoming

• Salt River and Wyoming Ranges Saturday, December 13, 2025 6:42AM
• Snake River Range Saturday, December 13, 2025 6:35AM
• Tetons Saturday, December 13, 2025 6:35AM
• Togwotee Pass Friday, December 12, 2025 6:59AM
• Big Horns
• Sierra Madre
• Snowy Range

Canada

• Canada zone Friday, December 12, 2025 5:00PM
• Canada zone
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Thursday, December 11, 2025 5:00PM
• Canada zone Friday, December 12, 2025 5:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 5:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 5:45PM
• Canada zone Friday, December 12, 2025 5:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 5:00PM
• Canada zone Friday, December 12, 2025 5:00PM
• Canada zone
• Canada zone Friday, December 12, 2025 4:00PM
• Canada zone Friday, December 12, 2025 4:00PM

Zones

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