Union County, Oregon Map
Explore Union County, Oregon with this interactive street and satellite map. Browse all 8 cities and towns in Union County below.
Interactive Map of Union County, Oregon
| County | Union |
| State | Oregon (OR) |
| County Seat | La Grande |
| Country | United States of America |
| Latitude | 45.338991 |
| Longitude | -117.951013 |
| Cities & Towns | 8 |
| Area Codes | 541 |
About Union County, Oregon
Union County occupies a complex transition where the Blue Mountains rise to capture the moisture of the Pacific, creating a high-altitude basin that holds its own distinct climate. The terrain is defined by the Grande Ronde Valley, a flat, fertile expanse of volcanic soil boxed in by sharp, timbered ridges that climb toward the Eagle Cap Wilderness. Snowmelt from these high peaks feeds a network of cold, clear streams that funnel into the river carving the valley floor. In the late autumn, the light here loses its sharpness, thinning into a pale, bruised violet that clings to the base of the mountains long after the sun has slipped behind the western crests, leaving the valley in a cool, silver stillness.
Union County emerged from the territorial expansion of the mid-nineteenth century, carved from the larger administrative tracts of the era to organize the influx of settlers drawn by the promise of grazing land and mining prospects. The county seat was established after a period of intense rivalry between burgeoning settlements, ultimately settling in a location that offered the most reliable access to the valley’s primary transit corridors. These early residents were shaped by the isolation of the high terrain, forging a community identity that relied on self-sufficiency and the slow, deliberate work of clearing timber and breaking heavy sod. The legacy of those early years persists in the architecture of the older public buildings, where the stonework still bears the marks of tools meant to outlast the generations that wielded them.
Modern life in this region balances the demands of large-scale agriculture with the preservation of a rugged, independent character. The economy remains rooted in the harvest of timber and the cultivation of wheat and grass seed, though the rhythm of the work is increasingly punctuated by the presence of a regional university that brings a different tempo to the streets. The air here tastes of dry pine needles and the sharp, metallic cold of high-elevation winters, a sensory sharpness that defines the outdoor life of the residents. People move through their days with a quiet, observant pragmatism, whether attending to the irrigation of the fields or navigating the steep, switchbacking roads that lead into the deep, spruce-dark forests where the silence is absolute.
Cities and Towns in Union County
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About This Union County Map Page
This page provides an interactive map of Union County, Oregon alongside links to detailed street maps for 8 cities and towns. The county seat is La Grande. Each city and town map page includes live weather, local news and precise GPS coordinates.
The Search Maps button below the county map opens USGS topographic maps and aerial imagery as base layers, with a labelled U.S. National Grid (USNG) overlay, a distance and bearing tool, and a single-fix GPS readout giving your USNG grid reference and latitude and longitude.
Location data is sourced from the USGS GNIS database and verified by coordinates, not name matching alone.
| Page generated | September 2026 |
| Location data | USGS GNIS database; coordinates matched to 2020 US Census records |
