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| City | Post Mountain |
| State | California (CA) |
| County | Trinity |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 40.422723 |
| Longitude | -123.222378 |
| Population | 233 |
| Density | 2.9 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 96041 |
| Area Code | 530 |
| County Seat | Weaverville |
| School District | Mountain Valley Unified School District |
Post Mountain is a locality in Trinity County, California, United States. It is a small community with a population of 233. The population density is 2.9 people per km². Post Mountain is located at 40.4227°N, 123.2224°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 96041.
Post Mountain rises with a quiet dignity, a broad shoulder of land draped in the deep greens of Douglas fir and the softer hues of madrone. It lies 45.1 miles west-south-west of Redding, CA (from Redding, CA: bearing 256°T), and is situated 9.3 miles south-south-west of Hayfork. The terrain here is a study in contrasts, a rugged tapestry woven with steep slopes that plunge into shadowed canyons, then unfurling into gentler, sun-drenched ridges. The air, especially after a rain, carries the clean, earthy scent of damp soil and decaying needles, a perfume that clings to the skin and settles deep in the lungs. Here, sunlight filters through the dense canopy in shifting patterns, creating fleeting pools of gold on the forest floor, a light that seems to move with the slow, deliberate breath of the land itself. The history of Post Mountain is etched not in grand monuments, but in the enduring spirit of those who have sought a life here, often in quiet defiance of the wild. For generations, logging and ranching have been the bedrock of its economy, the sturdy timber providing shelter and sustenance, the open pastures supporting hardy livestock. This is a place where the past is not a distant echo, but a palpable presence, felt in the weathered barns and the well-worn trails that crisscross the hills. The very character of Post Mountain is shaped by this enduring connection to the land, a resilience born of working with nature's rhythms, not against them, a slow unfolding of days that mirrors the steady growth of the ancient trees.
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This page provides an embedded street and satellite map of Post Mountain, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.422723, -123.222378. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Post Mountain and Trinity County.
Detailed location data for Post Mountain includes the ZIP code (96041), telephone area code (530), county seat of Trinity County (Weaverville), and school district assignment (Mountain Valley Unified School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Post Mountain is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |