Explore Mainsville, 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 Mainsville, 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.
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Drag the map to pan to any area of Ontario or beyond. Switch to Satellite view to see high-resolution aerial photography of Mainsville and surrounding areas, including streets, buildings, parks and waterways.
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| Place | Mainsville |
| Type | Dispersed Rural Community |
| Province / Territory | Ontario (ON) |
| Location | Grenville |
| Country | Canada |
| Latitude | 44.818611 |
| Longitude | -75.435278 |
| Postal Code (FSA) | K0E |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Importance | Village / hamlet |
| CGN ID | FDQSA |
Mainsville is a locality in Grenville, Ontario, Canada. It is classified as a village / hamlet. Mainsville is located at 44.8186°N, 75.4353°W.
Mainsville rests upon the low, patient shore of the St. Lawrence River, where the horizon broadens to accommodate the slow, heavy movement of the currents. It lies 9.6 km west-south-west of Iroquois, ON (from Iroquois, ON: bearing 252°T), and is situated 13.5 km north-north-east of Prescott. The presence of Fells Hill offers a slight, terrestrial rise against the flatness of the surrounding fields, catching the amber light of dusk before it slips entirely into the water. In the cooler hours, the air carries a crisp, mineral clarity that seems to sharpen the outlines of the barns and the long, thin fences marking the agricultural plots. The South Nation River, winding its way through the landscape about 9 km away, acts as a distant pulse, a reminder of the interconnected veins of water that define the tilt and drainage of the earth here. History in Mainsville lingers in the sturdy masonry of older foundations and the way the local economy leans into the steady output of the land. Generations have worked these fields, their lives dictated by the turning of seasons and the persistent, reliable demands of regional harvest. There is a quiet, functional beauty in how the people of Mainsville attend to their tasks, moving with a familiarity that ignores the need for haste. The local identity remains rooted in this agricultural persistence, where the changing colors of the crops provide the primary calendar for the year. Even as the modern world encroaches, the stillness of the riverbank provides a persistent anchor, ensuring that the character of the land stays consistent beneath the vast, open sky.
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Explore Mainsville, 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: 44.818611, -75.435278. 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 Mainsville includes the postal code (K0E), 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 Mainsville 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 |