Imnaha, Oregon
10 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 1990. It stands in the Imnaha census division. It lies in ZIP code area 97842. It stands on Big Sheep Creek. The Survey maps it on the Imnaha quadrangle. It stands 1,978 feet above sea level.
On record in Imnaha
Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.
On the National Register 1 record
College Creek Ranger Stationlisted 1991
Topographic sheets covering this place
5 surveys from 10 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1954 USGS Imnaha quadrangle1:62500, 2 printings
- 1955 USGS Grangeville quadrangle1:250000, 4 printings
- 1959 USGS Grangeville quadrangle1:250000, 2 printings
- 1980 USGS Grangeville quadrangle1:100000
- 1990 USGS Imnaha quadrangle1:24000
Fires near this place
26 since 1996Regional context, not property-specific evidence. The federal wildfire occurrence database lists 26 fires within 5 miles of Imnaha between 1996 and 2020, burning about 11,769 acres in total. 18 started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Natural | 18 |
| Equipment and vehicle use | 3 |
| Debris and open burning | 2 |
| Misuse of fire by a minor | 1 |
| Recreation and ceremony | 1 |
| Missing data/not specified/undetermined | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 7 September 2002 | Natural | under an acre | Wallowa-Whitman National Forest | ABIGAIL SOPHIA |
| 25 September 2018 | Equipment and vehicle use | under an acre | Wallowa-Whitman National Forest | CAYUSE |
| 14 September 2016 | Missing data/not specified/undetermined | under an acre | Oregon Department of Forestry Salem Headquarters | WARNOCK |
| 3 August 2014 | Natural | 4,620 acres | Wallowa-Whitman National Forest | 5 MILE |
| 24 August 2000 | Natural | 500 acres | Wallowa Unit | LONG RIDGE |
| 19 August 2020 | Natural | 3.0 acres | Wallowa Unit | LONG RIDGE |
| 18 August 2004 | Natural | under an acre | Wallowa Unit | TRAIL CREEK |
| 17 August 2006 | Natural | under an acre | Wallowa-Whitman National Forest | CAYUSE FLAT |
Settlements close enough to share some of these fires:
Storms near this place
19 since 1998Regional context, not property-specific evidence. The National Weather Service names Imnaha in 19 storm reports between 1998 and 2024: 6 hail, 5 flood, 4 thunderstorm wind, 2 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| May 2001 | Thunderstorm Wind | Imnaha | $10,000 | Winds from a severe thunderstorm estimated at 70 mph felled several trees just north of Imnaha. Several other locations near town also lost trees and large branches. An estimated 0.8 inches of rain fell in 30 minutes just north of Imnaha. |
| June 2003 | Thunderstorm Wind | Imnaha | $1,000 | Strong winds from a thunderstorm knocked down several trees. In addition, an estimated one inch of rain fell in 10 to 15 minutes in Imnaha. |
| July 2002 | Flash Flood | Imnaha | $1,000 | Nearly stationary thunderstorm with heavy rainfall caused 1-2 feet of water to flow over road to Halfway. |
| July 2024 | Thunderstorm Wind | Imnaha | - | Social media reported a large tree down in Imnaha with power outages. Wind gust of 56 mph measured from co-op observer. |
| May 2018 | Hail | Imnaha | - | Largest hail estimated at 1 inch in diameter near Imnaha in Wallowa county. |
| May 2017 | Flood | Imnaha | - | The Imnaha River at Imnaha had minor flooding early on May 6th, due to snow melt. The river crested at the flood stage of 5.5 feet early on May 6th. |
| July 2016 | Thunderstorm Wind | Imnaha | - | Public reported 12 large trees downed. |
| July 2016 | Hail | Imnaha | - | Although this is reported as 1 inch hail, it was discovered 15 hours after the storm. Indicating this could have been much larger hail. |
| April 2012 | Flood | Imnaha | - | The Imnaha River at Imnaha crested at 5.94 feet on April 26 at 10:30 pm. Flood stage is 5.5 feet. |
| August 2010 | Hail | Imnaha | - | Hail of ping pong and golf ball size reported by the public and a spotter. |
| June 2010 | Flood | Imnaha | - | The Imnaha River at Imnaha crested at 6.1 feet on June 4 at 730 pm. Flood stage is 5.5 feet. |
| May 2008 | Flood | Imnaha | - | The Imnaha River gage crested several times above flood stage with a peak of 6.26 on May 19. |
| May 2006 | Flood | Imnaha | - | Minor flooding along the Imnaha river near Imnaha. River crested at 5.61 feet on 05/21/06. Flood stage is 5.5 feet. |
| August 2001 | Lightning | Imnaha | - | Lightning sparked the Horse Creek fire, which burned over 15,000 acres along a ridge between Horse Creek and the Imnaha River. This fire, which was finally contained on the 24th of August, threatened the town of Imnaha and led to the closure of Hat Point Road. |
| May 1998 | Heavy Rain | Imnaha | - | 3.10 inches of rain fell in a 25 hour period. Springs and streams flowing out of canyons flooded and left one to one and a half foot deep ruts in some roads. |
| August 2010 | Hail | Imnaha | - | no account filed |
| June 2004 | Flash Flood | Imnaha | - | no account filed |
| September 2004 | Hail | Imnaha | - | no account filed |
| June 1999 | Hail | Imnaha | - | no account filed |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Zumwalt | 8.8 miles | 10 | |
| Lewis | 16.6 miles | 12 | |
| Armin (historical) | 17.2 miles | 11 | |
| Copper (historical) | 20.1 miles | 9 | |
| Imnaha River Woods Development | 20.7 miles | 11 | |
| Chico (historical) | 20.8 miles | 12 | |
| Fruita | 22.3 miles | 11 | |
| Joseph | 25.3 miles | 12 |
Elsewhere
Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.
| Wikipedia article on Imnaha | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q263823 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 1144002. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.




