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Ontario California Map

Explore Ontario, California, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of Ontario, California

How to Use This Ontario, California Map

This interactive map shows the street layout and satellite imagery for Ontario, California. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of California or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Ontario.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

City	Ontario
State	California (CA)
County	San Bernardino County
Country	United States of America
Timezone	Pacific Time (America/Los_Angeles)

Latitude	34.037648
Longitude	-117.604433
Population	175,265
Density	1354.2 /km²
Incorporated	Yes
ZIP Codes	91762, 91758, 91761, 91764
Area Code	818, 747
County Seat	San Bernardino
School District	Chaffey Joint Union High School District

🌦 Goto Ontario Weather Page: Ontario, California — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Ontario, California

Ontario is a locality in San Bernardino County, California, United States. With a population of 175,265, Ontario is a major urban centre in California. The population density is 1354.2 people per km². Ontario is located at 34.0376°N, 117.6044°W. It observes the Pacific Time (America/Los_Angeles) timezone. Ontario is an incorporated locality. ZIP codes: 91762, 91758, 91761.

Ontario occupies a broad, sun-drenched expanse of the inland basin, characterized by a flat, expansive topography that slopes almost imperceptibly toward the horizon. It lies 2.4 miles south of Upland, CA (from Upland, CA: bearing 183°T), and is situated 4.4 miles southwest of Rancho Cucamonga. Dry, golden light defines the atmosphere here, casting long, sharp shadows across the grid of streets that stretch toward the distant silhouette of the San Gabriel Mountains. The landscape retains a quiet, industrial stillness, punctuated by the rhythmic hum of transit and the occasional sight of a hawk circling above the open, arid plains. Moisture is rare, gathered instead in the quiet flow of Cucamonga Creek, while the cooling shade of the Euclid Avenue Parkway provides a singular, verdant corridor that anchors the physical identity of Ontario against the heat of the afternoon.

Founders envisioned Ontario as a model of temperate agriculture, carving a settlement from the dry earth with the hope of cultivating a self-sustaining irrigation colony. Early settlers laid out the town with a distinct focus on order, planting the wide, tree-lined thoroughfares that still define the local geometry today. This purposeful design transformed the dusty scrubland into a productive grid of orchards and vineyards, establishing an identity rooted in the labor of tilling and the patience of harvest. Over the decades, Ontario shifted from its pastoral origins into an essential hub for movement and commerce, yet the original ambition of its planning remains visible in the expansive width of its primary avenues and the deliberate spacing of its older districts.

Economic life in Ontario centers on its status as a vital logistics and transportation nexus, serving as an engine for regional distribution and trade. Massive warehouses and bustling transit facilities define the modern industrial landscape, utilizing the proximity to major freight corridors to move goods across the continent with relentless efficiency. While industry dominates the skyline, educational institutions like Chaffey College provide a necessary counterpoint, offering a place for intellectual growth and community advancement. Infrastructure in Ontario is designed for utility and scale, supporting a steady, utilitarian pace that mirrors the movement of freight and the daily commute of thousands who navigate the region’s expansive network of roads and rail lines.

Cultural life in Ontario reflects a pragmatic, hardworking spirit, where community gatherings and regional events often take place in large, multipurpose venues that accommodate the scale of the population. Residents frequently gather near the local landmarks or take quiet excursions to the nearby San Dimas Experimental Forest, where the landscape shifts into a more rugged, untamed character. Those seeking the sound of falling water find solace at Wolfskill Falls, while the West Cucamonga Truck Trail offers a path for those looking to traverse the terrain on foot. From the quiet, reflective surface of Ontario Reservoir Number 1 to the vibrant crowds at local festivals, the character of Ontario is forged in the intersection of its immense, sun-baked plains and the persistent, industrious nature of those who make their lives in this inland expanse.

Nearby Outdoor Places

Scripps Performing Arts Center (Theatre / Concert Hall) — 1.9 mi, 050° NE
Ontario Museum of History & Art (Museum) — 2.0 mi, 049° NE
Victoria Park (Nature Reserve) — 2.2 mi, 051° NE
Citizens Business Bank Arena (Stadium) — 2.2 mi, 063° NE
Raging Waters San Dimas (Theme Park) — 11.1 mi, 295° NW
Mount Baldy (Nature Reserve) — 17.2 mi, 351° N
California State San Bernardino (Attraction) — 19.0 mi, 071° E
San Bernardino County Museum (Museum) — 19.2 mi, 071° E
San Bernardino National Forest (Nature Reserve) — 25.1 mi, 085° E
Big Bear Lake (Nature Reserve) — 41.4 mi, 071° E
Westwind Park (Local Park) — 1.0 mi, 163° S
ONT Field (Stadium) — 1.4 mi, 178° S
Creekside Park and Golf Course (Local Recreation) — 1.7 mi, 136° SE
Ontario Town Square Mural (Public Artwork) — 3.2 mi, 306° NW
Mark Schroeder Jr. / Navy (Monument) — 3.7 mi, 027° NE
Ronnie J. Pallares / Army (Monument) — 3.8 mi, 026° NE
Galleano Winery (Monument) — 4.0 mi, 117° SE
Garland Rogers Memorial Pavilion (Theatre) — 4.9 mi, 339° N
Casa de Rancho Cucamonga County Museum (Museum) — 5.0 mi, 355° N
Chino Youth Museum (Museum) — 5.3 mi, 252° W
Art's Sideshow (Gallery) — 5.9 mi, 307° NW
River Trails Park (Attraction) — 7.0 mi, 151° SE
Lenzner Family Art Gallery (Gallery) — 7.4 mi, 309° NW
Rodman Arboretum (Nature Reserve) — 7.4 mi, 309° NW
Chino Hills State Park (State Park) — 8.0 mi, 218° SW
Angeles National Forest (National Forest) — 9.2 mi, 343° N · 662k acres
San Gabriel Mountains National Monument (National Monument) — 9.8 mi, 334° NW · 454k acres
Cucamonga Wilderness (Wilderness Area) — 11.8 mi, 000° N · 13k acres
Cleveland National Forest (National Forest) — 12.3 mi, 182° S · 426k acres
Sheep Mountain Wilderness (Wilderness Area) — 13.9 mi, 342° N · 43k acres

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