Second Flat Fire map & updates
The Second Flat Fire is burning in Harney County, OR (6 Miles NE from Riley, OR). Latest size 105,854 acres, 99% contained.
Second Flat Fire map
Shaded area: the latest mapped fire perimeter (2026-08-19). Dot: point of origin. Sources: NIFC WFIGS incident record and interagency perimeters. Official evacuation orders come from the county — this map doesn't show them.
Where is the Second Flat Fire?
| Nearest cities | Distance from origin |
|---|---|
| Bend, OR | 99 mi |
| Sisters, OR | 115 mi |
| Caldwell, ID | 138 mi |
| Nampa, ID | 144 mi |
| Meridian, ID | 152 mi |
| Klamath Falls, OR | 152 mi |
Straight-line distance from the point where the fire started, protecting agency: BLM.
Timeline
- Discovered — July 24, 2026
- Latest mapped perimeter — August 19, 2026
- Record last updated — October 4, 2026
Air quality and wind near the Second Flat Fire
Alerts for the fire area
Other large fires within 25 miles
| Fire | Acres | Year | From this fire |
|---|---|---|---|
| Egypt Fire | 4,553 | 2026 | 8 mi |
| Sage Hen Fire | 6,250 | 2024 | 9 mi |
| Falls Fire | 151,689 | 2024 | 17 mi |
| Whiskey Mountain Fire | 4,345 | 2024 | 21 mi |
| Big Meadow Fire | 2,643 | 2021 | 9 mi |
| Radar Fire | 1,037 | 2015 | 16 mi |
| Gumboot Fire | 4,420 | 2014 | 2 mi |
Wildfires of 1,000+ acres since 2014 whose origin was within 25 miles (NIFC WFIGS).
Other Oregon fires in 2026
Questions
Where is the Second Flat Fire?
In Harney County, OR, 6 Miles NE from Riley, OR. The nearest city in our list is Bend, OR, about 99 miles from where the fire started.
How big is the Second Flat Fire?
105,854 acres (about 165 square miles) by the latest reported size.
Is the Second Flat Fire contained?
It was reported 99% contained.
What caused the Second Flat Fire?
The cause is recorded as natural. Causes often stay undetermined until the investigation closes.
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