Keenbrook, California
41 topographic sheets cover this place, the earliest surveyed in 1896 and the latest in 1996. It stands in the Mount Baldy-Wrightwood census division. It lies in ZIP code area 92407. It lies near Ruddell Hill. The Survey maps it on the Devore quadrangle.
Then and now
1896 to 1996The same ground, surveyed 100 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Compare 1896 against another survey:
Topographic sheets covering this place
19 surveys from 41 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.
- 1896 USGS San Bernardino quadrangle1:62500
- 1898 USGS San Bernardino quadrangle1:62500
- 1901 USGS San Bernardino quadrangle1:62500, 8 printings
- 1901 USGS Southern California Sheet No. 1 quadrangle1:250000, 6 printings
- 1904 USGS Southern California Sheet No. 1 quadrangle1:250000, 2 printings
- 1936 USGS Devore quadrangle1:31680
- 1941 USGS Devore quadrangle1:31680, 2 printings
- 1942 USGS San Bernardino quadrangle1:62500
- 1953 USGS San Bernardino quadrangle1:250000, 2 printings
- 1954 USGS Devore quadrangle1:24000, 2 printings
- 1954 USGS San Bernardino quadrangle1:62500, 2 printings
- 1956 USGS San Bernardino quadrangle1:250000
- 1957 USGS San Bernardino quadrangle1:250000
- 1958 USGS San Bernardino quadrangle1:250000
- 1959 USGS San Bernardino quadrangle1:250000
- 1966 USGS Devore quadrangle1:24000, 6 printings
- 1966 USGS San Bernardino quadrangle1:250000
- 1982 USGS San Bernardino quadrangle1:100000
- 1996 USGS Devore quadrangle1:24000
Fires near this place
814 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 814 fires within 5 miles of Keenbrook between 1992 and 2020, burning about 66,619 acres in total. 13 started naturally. 70 were 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 |
|---|---|
| Equipment and vehicle use | 311 |
| Missing data/not specified/undetermined | 300 |
| Arson/incendiarism | 70 |
| Recreation and ceremony | 35 |
| Railroad operations and maintenance | 26 |
| Smoking | 18 |
| Natural | 13 |
| Power generation/transmission/distribution | 11 |
| Debris and open burning | 10 |
| Misuse of fire by a minor | 10 |
| Fireworks | 7 |
| Other causes | 2 |
| Firearms and explosives use | 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 |
|---|---|---|---|---|
| 9 September 2011 | Smoking | under an acre | San Bernardino National Forest | OVERPASS |
| 9 September 2007 | Equipment and vehicle use | under an acre | San Bernardino National Forest | FEDEX |
| 9 September 2001 | Equipment and vehicle use | under an acre | San Bernardino National Forest | MATHEWS |
| 9 September 2001 | Arson/incendiarism | under an acre | San Bernardino National Forest | ARIZONA |
| 9 September 2000 | Railroad operations and maintenance | under an acre | San Bernardino National Forest | HOG |
| 8 September 2006 | Missing data/not specified/undetermined | 4.0 acres | San Bernardino National Forest | LYTLE |
| 7 September 2009 | Missing data/not specified/undetermined | under an acre | San Bernardino National Forest | HEROES |
| 7 September 2000 | Natural | under an acre | San Bernardino National Forest | ZAPPA |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 16 shownRegional context, not property-specific evidence. The federal mineral resources record lists 16 workings within 5 miles of Keenbrook: 9 prospects, 4 occurrences, 2 unknowns, 1 past producer. None of them still produces. What was taken out: Gold, Silver, Zinc, Lead, Silver. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Bob Cat Lode | Copper, Gold, Zinc | Prospect | ||
| Brown Prospect | Gold, Silver | Prospect | ||
| Deer Tick Nos. 1-8 | Talc-Soapstone, Asbestos, Mica | Unknown | ||
| Flying W Ranch Manganese | Manganese | Occurrence | ||
| Marble Heart Consolidated Placer | Limestone, General | Occurrence | ||
| Salamander | REE | Occurrence | ||
| Smith Family Mining Claim | Gold, Graphite, Clay | Unknown | ||
| White Queen | Limestone, Dimension | Occurrence | ||
| California-Hercules Mine | Zinc, Lead, Silver | Prospect | ||
| Califrnia-Hercules Millsite | Zinc, Lead, Silver | Past Producer |
Storms near this place
7 since 2016Regional context, not property-specific evidence. The National Weather Service names Keenbrook in 7 storm reports between 2016 and 2026: 5 flood, 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 |
|---|---|---|---|---|
| December 2025 | Flood | Keenbrook | $1,500,000 | Numerous homes across various communities in Lytle Creek experienced flash flooding and feet of mud/debris in and around the properties. Media reported about 30 homes were red tagged - deemed unsafe to inhabit. |
| February 2017 | Flash Flood | Keenbrook | $10,000 | Flood waters in the Cajon Pass submerged a vehicle along Keenbrook Rd. Three swift water rescues were conduced with no injuries reported. |
| March 2023 | Flood | Keenbrook | $5,000 | A swiftwater rescue was needed near Cajon Boulevard and Swarthout Canyon Road after a vehicle tried to cross high water and got swept away in the current. The vehicle was swept approximately 100 yards down the river and was not recoverable. |
| December 2016 | Flood | Keenbrook | $5,000 | Swarthout Canyon Rd. was closed due to flooding, this is a re-occurring issue. |
| February 2026 | Flash Flood | Keenbrook | - | San Bernardino county fire reports a driver tried to cross Keenbrooke Road, which had about 4 feet of fast moving water moving over it. The truck continued to slowly be taken over by flood waters with the driver on the roof. The driver fell in. |
| February 2026 | Flood | Keenbrook | - | San Bernardino county department of public works reported Keenbrook Road was closed near its intersection with Cajon Blvd due to flooding from Cajon Wash. Stations in the vicinity recorded about 1.5-2 inches of rain in 6 hours. |
| February 2024 | Flood | Keenbrook | - | A swiftwater rescue was conducted at Keenbrook Road just west of Cajon Blvd near Cajon Wash. A car drove through a flooded roadway and became submerged in floodwaters. Three occupants were trapped up in a tree. |
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 |
|---|---|---|---|
| Cosy Dell | 2.0 miles | 32 | |
| Scotland | 2.2 miles | 41 | |
| Lytle Creek | 2.4 miles | 33 | |
| Devore Heights | 2.4 miles | 41 | |
| Cajon | 3.4 miles | 32 | |
| Devore | 3.7 miles | 41 | |
| Cajon Junction | 4.4 miles | 32 | |
| Nealeys Corner | 4.4 miles | 41 |
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.
| Wikidata item Q122550721 | 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 1656552. 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.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
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.


















