Altamont, California
26 topographic sheets cover this place, the earliest surveyed in 1907 and the latest in 1989. It stands in the Livermore-Pleasanton census division. It lies in ZIP code area 94551. The Survey maps it on the Altamont quadrangle. It stands 741 feet above sea level.
Then and now
1907 to 1989The 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.


Topographic sheets covering this place
9 surveys from 26 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.
- 1907 USGS Tesla quadrangle1:62500, 5 printings
- 1942 USGS Altamont quadrangle1:62500
- 1943 USGS Tesla quadrangle1:62500
- 1947 USGS San Jose quadrangle1:250000
- 1953 USGS Altamont quadrangle1:24000, 10 printings
- 1956 USGS San Jose quadrangle1:250000
- 1962 USGS San Jose quadrangle1:250000, 4 printings
- 1966 USGS San Jose quadrangle1:250000
- 1989 USGS Stockton quadrangle1:100000, 2 printings
Fires near this place
707 since 1992Regional context, not property-specific evidence. The federal wildfire occurrence database lists 707 fires within 5 miles of Altamont between 1992 and 2020, burning about 14,758 acres in total. 2 started naturally. 29 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 | 333 |
| Equipment and vehicle use | 294 |
| Arson/incendiarism | 29 |
| Power generation/transmission/distribution | 17 |
| Smoking | 11 |
| Railroad operations and maintenance | 10 |
| Debris and open burning | 6 |
| Misuse of fire by a minor | 3 |
| Natural | 2 |
| Fireworks | 1 |
| Recreation and ceremony | 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 2017 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | SCHOOL |
| 9 September 2009 | Missing data/not specified/undetermined | 10 acres | Santa Clara Unit | FLYNN |
| 9 September 2002 | Missing data/not specified/undetermined | 2.0 acres | Santa Clara Unit | FISH NET |
| 9 September 1993 | Equipment and vehicle use | 2.0 acres | Santa Clara Unit | LFC WINDFARM #3 |
| 8 September 2013 | Equipment and vehicle use | under an acre | Santa Clara Unit | ALTAMONT PASS RD /W GRANT |
| 8 September 1995 | Missing data/not specified/undetermined | 15 acres | Santa Clara Unit | EGALE |
| 6 September 2012 | Missing data/not specified/undetermined | under an acre | Santa Clara Unit | I 580 / GREENVILLE RD |
| 5 September 2008 | Missing data/not specified/undetermined | under an acre | California Department of Forestry & Fire Protection | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 11 shownRegional context, not property-specific evidence. The federal mineral resources record lists 11 workings within 5 miles of Altamont: 7 occurrences, 2 producers, 1 past producer, 1 prospect. 2 still produce. What was taken out: Manganese, Sand and Gravel, Construction, Gemstone, 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 |
|---|---|---|---|---|
| Collins Deposit | Limestone, General | Occurrence | Sedimentary | |
| Collins Deposit | Nitrogen-Nitrates | Occurrence | ||
| San Joaquin 7 Mine | Manganese, Silica | Prospect | ||
| Unnamed Location | Gemstone | Occurrence | ||
| Unnamed Location | Stone | Occurrence | ||
| Vasco Road Pit | Silver | Producer | ||
| Gravel Pit | Sand and Gravel, Construction | Past Producer | ||
| Patterson Pass Road Pit | Sand and Gravel, Construction | Producer | ||
| Dyer Prospect | Manganese | Occurrence | Residual | |
| Dyer Prospect | Manganese | Occurrence | 1942 |
Storms near this place
1 since 2017Regional context, not property-specific evidence. The National Weather Service names Altamont in 1 storm report in 2017: 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 |
|---|---|---|---|---|
| February 2017 | Flood | Altamont | - | Lanes flooded of SR12 near McClosky Rd. |
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 |
|---|---|---|---|
| Greenville (historical) | 2.5 miles | 26 | |
| Ulmar | 4.0 miles | 26 | |
| Trevarno | 5.8 miles | 26 | |
| Midway | 5.9 miles | 25 | |
| Livermore | 7.0 miles | 27 | |
| East Pleasanton | 10.1 miles | 27 | |
| Elliot (historical) | 10.5 miles | 27 | |
| Mendenhall Springs | 10.8 miles | 22 |
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 Altamont | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q4736122 | 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 218188. 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.








