Trimmer, California
30 topographic sheets cover this place, the earliest surveyed in 1922 and the latest in 2004. It stands in the Sierra census division. It lies in ZIP code area 93657. It lies near Hacker Mountain. The Survey maps it on the Trimmer quadrangle. It stands 1,030 feet above sea level.
Then and now
1922 to 2004The same ground, surveyed 82 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Compare 1922 against another survey:
Topographic sheets covering this place
14 surveys from 30 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.
- 1922 USGS Trimmer quadrangle1:96000
- 1924 USGS Dinuba quadrangle1:125000, 5 printings
- 1942 USGS Watts Valley quadrangle1:62500, 4 printings
- 1944 USGS Watts Valley quadrangle1:62500, 2 printings
- 1948 USGS Fresno quadrangle1:250000
- 1955 USGS Fresno quadrangle1:250000
- 1956 USGS Fresno quadrangle1:250000
- 1958 USGS Fresno quadrangle1:250000
- 1960 USGS Fresno quadrangle1:250000, 2 printings
- 1962 USGS Fresno quadrangle1:250000, 3 printings
- 1965 USGS Trimmer quadrangle1:24000, 4 printings
- 1966 USGS Fresno quadrangle1:250000
- 1982 USGS Fresno quadrangle1:100000, 2 printings
- 2004 USGS Trimmer quadrangle1:24000, 2 printings
Fires near this place
118 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 118 fires within 5 miles of Trimmer between 1992 and 2020, burning about 10,130 acres in total. 2 started naturally. 52 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 |
|---|---|
| Arson/incendiarism | 52 |
| Missing data/not specified/undetermined | 25 |
| Equipment and vehicle use | 18 |
| Debris and open burning | 6 |
| Misuse of fire by a minor | 6 |
| Recreation and ceremony | 4 |
| Natural | 2 |
| Other causes | 2 |
| Fireworks | 2 |
| Power generation/transmission/distribution | 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 |
|---|---|---|---|---|
| 8 September 2004 | Other causes | 125 acres | Sierra National Forest | TRIMMER |
| 8 September 1994 | Arson/incendiarism | 1.0 acres | Central California Agency | not named |
| 7 September 1999 | Arson/incendiarism | under an acre | Sierra National Forest | MORE |
| 7 September 1994 | Arson/incendiarism | 1.0 acres | Central California Agency | not named |
| 3 September 2016 | Missing data/not specified/undetermined | 157 acres | California Department of Forestry & Fire Protection | SUNNY |
| 3 September 1993 | Arson/incendiarism | 50 acres | Fresno-Kings Unit | SYCAMORE #19 |
| 3 September 1993 | Arson/incendiarism | 1.0 acres | Fresno-Kings Unit | SYCAMORE #20 |
| 3 September 1993 | Arson/incendiarism | 1.0 acres | Fresno-Kings Unit | SYCAMORE #22 |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 96 shownRegional context, not property-specific evidence. The federal mineral resources record lists 96 workings within 5 miles of Trimmer: 33 occurrences, 32 past producers, 14 unknowns, 10 prospects. 7 still produce. What was taken out: Chromium, Gold, Copper, Manganese. 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 |
|---|---|---|---|---|
| Hacker Mountain Mine | Gold, Iron, Silver, Tungsten | Prospect | ||
| Jack Sprat Number One | Chromium, Iron | Past Producer | 1917 | |
| Long Ledge No. 3 | Chromium, Iridium, Palladium, Rhodium, Ruthenium, Platinum | Producer | Chromite | |
| Long Ledge No.One | Iron, Chromium | Past Producer | 1916 | |
| Ralph Hill Asbestos Mine | Asbestos | Prospect | ||
| Unnamed Location | Graphite | Occurrence | ||
| Unnamed Location | Feldspar | Occurrence | ||
| Unnamed Mines | Gemstone | Occurrence | ||
| Vance Property | Magnesite | Occurrence | ||
| Woods Property | Gold, Manganese | Occurrence |
Storms near this place
1 since 2024Regional context, not property-specific evidence. The National Weather Service names Trimmer in 1 storm report in 2024: 1 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 |
|---|---|---|---|---|
| November 2024 | Flood | Trimmer | - | California Highway Patrol reported a rock slide blocking both lanes on Trimmer Springs Rd. at Big Creek Rd. near Pine Flat Reservoir. |
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 |
|---|---|---|---|
| Piedra | 8.0 miles | 30 | |
| Balch Camp | 9.2 miles | 26 | |
| Tollhouse | 9.6 miles | 26 | |
| Bretz Mill | 9.6 miles | 28 | |
| Rodgers Crossing | 9.8 miles | 25 | |
| Avocado | 9.8 miles | 30 | |
| Gravesboro | 11.0 miles | 30 | |
| Sentinel (historical) | 11.2 miles | 26 |
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 Trimmer | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q7842248 | 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 1660028. 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.













