Explore Port Union, Ontario, Canada, with this interactive street and satellite map. Use the Map and Satellite buttons above the map to switch views. You can “grab” the map and drag it to re-centre it, or use the + and − buttons to zoom in or out to street-level detail. You will find live weather, local and world news below.
Imagery © Google · for orientation only, not for navigation
This interactive map shows the street layout and satellite imagery for Port Union, Ontario. 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 to zoom in and out.
Click ⛶ Fullscreen to expand the map to fill your screen for a larger view. To return to the normal page view, press the Escape key on your keyboard, 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).
Drag the map to pan to any area of Ontario or beyond. Switch to Satellite view to see high-resolution aerial photography of Port Union and surrounding areas, including streets, buildings, parks and waterways.
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| Place | Port Union |
| Type | Urban Community |
| Province / Territory | Ontario (ON) |
| Location | Ontario |
| Country | Canada |
| Latitude | 43.7795 |
| Longitude | -79.13517 |
| Postal Code (FSA) | M1C |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Importance | Small locality |
| CGN ID | FCIBI |
Port Union is a urban community in Ontario, Ontario, Canada. It is classified as a small locality. Port Union is located at 43.7795°N, 79.1352°W.
Port Union rests firmly upon the northern shore of Lake Ontario, where the land yields to the expansive reach of the water. It lies 14.9 km south-east of Markham, ON (from Markham, ON: bearing 136°T), and is situated 11.8 km south-west of Ajax. The air here carries a persistent, cool dampness, especially at dusk when the light flattens against the surface of the lake and turns the horizon into a thin, silver blade. Beyond the immediate waterfront, the terrain rises toward Dicksons Hill, grounding the neighborhood in a quiet elevation that overlooks the Rivière Rouge as it makes its slow, deliberate journey toward the lake. The history of Port Union lingers in the deliberate pace of its streets, where the influence of the nearby Parc urbain national du Canada de la Rouge provides a sense of vast, protected space. Once a site defined by its connection to industrial transit, Port Union now balances the memory of its working-class roots with a modern domestic character that favors the shade of mature trees and the steady, rhythmic sound of the wind coming off the water. Residents move through their day with a grounded focus, finding beauty in the way the morning mist clings to the banks of the Rivière Rouge before the sun rises high enough to pull it toward the sky.
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Explore Port Union, Ontario, Canada, with an embedded street and satellite map — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 43.7795, -79.13517. Live weather conditions and 7-day forecasts — including hourly outlooks — are provided through Open-Meteo, while real-time local and world news feeds help keep the page current. Editorial summaries provide additional local information and context.
Detailed location data for Port Union includes the postal code (M1C), telephone area code (226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905). These are among the most commonly searched location details for any Canadian city or town.
Location data for Port Union is sourced from the Canadian Geographical Names Database (CGN), Natural Resources Canada, and verified by coordinates rather than name matching alone. GPS coordinates, province, administrative location and place type are shown in the information panel above.
| Page generated | August 2026 |
| Location data | Canadian Geographical Names Database (CGN), Natural Resources Canada |