Piedra, California
30 topographic sheets cover this place, the earliest surveyed in 1920 and the latest in 1982. It stands in the Sierra census division. It lies in ZIP code area 93657. It stands on Hughes Creek. The Survey maps it on the Piedra quadrangle. It stands 538 feet above sea level.
Then and now
1920 to 1982The same ground, surveyed 62 years apart. Drag the handle to wipe between them. Both sheets are United States Geological Survey originals; neither has been altered.


Compare 1920 against another survey:
Topographic sheets covering this place
15 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.
- 1920 USGS Orangedale School quadrangle1:24000
- 1922 USGS Trimmer quadrangle1:96000
- 1923 USGS Orangedale School quadrangle1:31680, 3 printings
- 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 Piedra quadrangle1:24000, 2 printings
- 1966 USGS Fresno quadrangle1:250000
- 1982 USGS Fresno quadrangle1:100000, 2 printings
Fires near this place
187 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 187 fires within 5 miles of Piedra between 1992 and 2020, burning about 4,648 acres in total. 7 started naturally. 19 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 |
|---|---|
| Missing data/not specified/undetermined | 74 |
| Equipment and vehicle use | 63 |
| Arson/incendiarism | 19 |
| Debris and open burning | 9 |
| Smoking | 7 |
| Natural | 7 |
| Power generation/transmission/distribution | 5 |
| Recreation and ceremony | 2 |
| Misuse of fire by a minor | 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 2001 | Equipment and vehicle use | under an acre | Fresno-Kings Unit | PULLIN |
| 8 September 1999 | Missing data/not specified/undetermined | 5.0 acres | Fresno-Kings Unit | ELWOOD |
| 7 September 1997 | Equipment and vehicle use | under an acre | Fresno-Kings Unit | FKU 38417 |
| 7 September 1996 | Missing data/not specified/undetermined | under an acre | Fresno-Kings Unit | PIEDRA |
| 7 September 1995 | Missing data/not specified/undetermined | 1.0 acres | Fresno-Kings Unit | WELDON |
| 3 September 2016 | Missing data/not specified/undetermined | 157 acres | California Department of Forestry & Fire Protection | SUNNY |
| 29 September 1995 | Smoking | under an acre | Fresno-Kings Unit | PINE FLAT |
| 28 September 2001 | Smoking | 5.0 acres | Fresno-Kings Unit | FRANKWOOD |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 25 shownRegional context, not property-specific evidence. The federal mineral resources record lists 25 workings within 5 miles of Piedra: 8 occurrences, 7 past producers, 5 unknowns, 3 producers. 3 still produce. What was taken out: Magnesite, Chromium, Gold, Copper. 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 |
|---|---|---|---|---|
| Prince Prospect | Manganese | Prospect | ||
| Tivy Valley Quarry | Stone, Crushed/Broken | Producer | ||
| Gravel Pits | Sand and Gravel, Construction | Unknown | ||
| Kings River | Sand and Gravel, Construction | Unknown | ||
| Hinkle | Copper | Occurrence | ||
| Hinkle | Copper | Prospect | ||
| Post Oak | Copper, Gold | Past Producer | Vein | |
| Apache | Gold | Occurrence | ||
| Eliza Jane | Gold | Past Producer | ||
| Independence | Gold | Occurrence |
Storms near this place
14 since 2002Regional context, not property-specific evidence. The National Weather Service names Piedra in 14 storm reports between 2002 and 2025: 6 debris flow, 6 flood, 1 thunderstorm wind, 1 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 2002 | Thunderstorm Wind | Piedra | $50,000 | no account filed |
| January 2021 | Debris Flow | Piedra | $200 | California Highway Patrol reported a debris flow on Trimmer Springs Rd. near N. Piedra Rd. near Piedra. A sedan got two blown out tires due to the slide. |
| February 2025 | Debris Flow | Piedra | - | California Highway Patrol reported a boulder in the westbound lanes on E. Trimmer Springs Rd. |
| January 2023 | Flood | Piedra | - | Public report of several large boulders in the roadway on Trimmer Springs Rd. just west of |Piedra near Winton Park. |
| January 2023 | Flood | Piedra | - | California Highway Patrol reported rocks washed up on the roadway at the intersection of N. Piedra Rd. and Elwood Rd. |
| March 2023 | Flood | Piedra | - | California Highway Patrol reported Elwood Rd. flooded at N. Piedra Rd. |
| December 2022 | Debris Flow | Piedra | - | California Highway Patrol reported a rockslide on the roadway at the intersection of E. Trimmer Springs Rd. and N. Piedra Rd. |
| December 2022 | Flood | Piedra | - | California Highway Patrol reported rocks blocking the roadway at E. Trimmer Springs Rd. west of Pine Flat Lake. |
| December 2022 | Flood | Piedra | - | California Highway Patrol reported boulders washed up onto Elwood Rd. near Pine Flat Lake. |
| December 2022 | Debris Flow | Piedra | - | California Highway Patrol reported a mudslide and a large bouilder in the roadway at the intersection of Elwood Rd. and Pine Flat Rd. |
| December 2022 | Debris Flow | Piedra | - | California Highway Patrol reported a 3 foot rock on the roadway at the intersection of E. Trimmer Springs Rd. and Sunnyslope Rd. |
| October 2021 | Flash Flood | Piedra | - | California Highway Patrol reported a rockslide with boulders in the roadway at the intersection of East Trimmer Springs Rd. and North Piedra Rd. north of Piedra. |
| June 2019 | Flood | Piedra | - | Fresno and Tulare County Emergency Managers reported flooding along the Kings River downstream from Pine Flat Dam as a result of increased releases prompted by increased runoff from snow melt and recent rainfall. |
| February 2017 | Debris Flow | Piedra | - | California Highway Patrol reported a debris flow blocking both lanes on east Trimmer Springs Road near Piedra Road in Piedra. |
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 |
|---|---|---|---|
| Avocado | 1.8 miles | 30 | |
| Gravesboro | 3.0 miles | 30 | |
| Oakhurst (historical) | 5.2 miles | 23 | |
| Elk | 7.2 miles | 30 | |
| Minkler | 7.2 miles | 23 | |
| Riverbend | 7.8 miles | 21 | |
| Trimmer | 8.0 miles | 30 | |
| Centerville | 8.1 miles | 23 |
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 Piedra | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q7191555 | 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 1659384. 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.














