Avalanche Risk in Oregon
All Oregon counties ranked by FEMA National Risk Index avalanche score
Avalanche risk — fast-moving snow and debris sliding down steep mountain slopes — is rated for 36 of 36 Oregon counties in FEMA's National Risk Index. Baker County carries the state's highest avalanche score at 91.2, with $2M in expected annual avalanche losses.
4 Oregon counties are rated High or Very High for avalanche, and expected annual losses from avalanche total roughly $8M statewide. The full ranking below links to each county's complete 18-hazard risk profile.
County Rankings — Avalanche
| # | County | Avalanche Score | Rating | Ann. Freq. | Ann. Loss |
|---|---|---|---|---|---|
| 1 | Baker County | High | 0.07 / yr | $2M | |
| 2 | Deschutes County | High | 0.20 / yr | $2M | |
| 3 | Wallowa County | High | 0.07 / yr | $914K | |
| 4 | Clackamas County | High | 0.13 / yr | $2M | |
| 5 | Union County | Medium | 0.07 / yr | $656K | |
| 6 | Douglas County | Medium | 0.03 / yr | $457K | |
| 7 | Klamath County | Medium | 0.03 / yr | $457K | |
| 8 | Crook County | Low | 0.07 / yr | $101K | |
| 9 | Umatilla County | Low | 0.03 / yr | $19K | |
| 10 | Wasco County | Low | 0.03 / yr | $9K | |
| 11 | Jefferson County | Low | 0.03 / yr | $8K | |
| 12 | Grant County | Low | 0.01 / yr | $6K | |
| 13 | Harney County | Low | 0.01 / yr | $5K | |
| 14 | Malheur County | Low | 0.01 / yr | $4K | |
| 15 | Wheeler County | Very Low | 0.01 / yr | $2K | |
| 16 | Sherman County | Very Low | 0.01 / yr | $2K | |
| 17 | Gilliam County | Very Low | 0.01 / yr | $2K | |
| 18 | Lane County | Very Low | 0.01 / yr | $482 | |
| 19 | Morrow County | Very Low | 0.01 / yr | $448 | |
| 20 | Josephine County | Very Low | 0.01 / yr | $301 | |
| 21 | Curry County | Very Low | 0.01 / yr | $256 | |
| 22 | Lake County | Very Low | 0.01 / yr | $211 | |
| 23 | Tillamook County | Very Low | 0.01 / yr | $215 | |
| 24 | Linn County | Very Low | 0.01 / yr | $202 | |
| 25 | Coos County | Very Low | 0.01 / yr | $126 | |
| 26 | Marion County | Very Low | 0.01 / yr | $122 | |
| 27 | Jackson County | Very Low | 0.01 / yr | $126 | |
| 28 | Lincoln County | Very Low | 0.01 / yr | $40 | |
| 29 | Hood River County | Very Low | 0.01 / yr | $80 | |
| 30 | Multnomah County | Very Low | 0.01 / yr | $31 | |
| 31 | Clatsop County | Very Low | 0.01 / yr | $23 | |
| 32 | Polk County | Very Low | 0.01 / yr | $22 | |
| 33 | Benton County | Very Low | 0.01 / yr | $12 | |
| 34 | Washington County | Very Low | 0.01 / yr | $11 | |
| 35 | Yamhill County | Very Low | 0.01 / yr | $4 | |
| 36 | Columbia County | Very Low | 0.01 / yr | $2 |
36 Oregon counties with measurable avalanche risk. See the national avalanche ranking or all Oregon counties by overall risk.
Frequently Asked Questions
Which Oregon county has the highest avalanche risk?
Baker County has the highest FEMA avalanche risk score in Oregon at 91.2 (High), with $2M in expected annual losses and about 0.07 events per year.
How many Oregon counties face significant avalanche risk?
36 Oregon counties record measurable avalanche risk in FEMA's National Risk Index; 4 of them are rated High or Very High.