Explore Johnstown, 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 Johnstown, 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 Johnstown and surrounding areas, including streets, buildings, parks and waterways.
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| Place | Johnstown |
| Type | Compact Rural Community |
| Province / Territory | Ontario (ON) |
| Location | Grenville |
| Country | Canada |
| Latitude | 44.748055 |
| Longitude | -75.469722 |
| Postal Code (FSA) | K0E |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Importance | Town |
| CGN ID | FBSGG |
Johnstown is a compact rural community in Grenville, Ontario, Canada. It is classified as a town. Johnstown is located at 44.7481°N, 75.4697°W.
Johnstown rests upon the firm, low-lying earth along the northern edge of the St. Lawrence River, where the horizon broadens to accommodate the steady, relentless passage of deep-water vessels. It lies 5.5 km north-east of Prescott, ON (from Prescott, ON: bearing 43°T), and is situated 14.2 km east-south-east of McLeanville. The landscape here is defined by a quiet gravity, marked by the rising prominence of the Fells Hill which breaks the flatness of the surrounding fields. At dusk, the light catches the surface of the river, turning the currents into a hammered sheet of silver that seems to hold the sky in place, while the air carries a persistent, cool dampness rising from the water’s edge. Even at a distance of ten kilometers, the South Nation River exerts a subtle influence on the terrain, ensuring the soil retains a hidden, dark moisture that sustains the local vegetation through the height of the summer heat. The identity of Johnstown has long been shaped by its proximity to the water, which serves as both a gateway for commerce and a boundary for the local industry that anchors the economy. Massive grain elevators stand as stark, vertical monuments against the sky, their presence signaling a role in the movement of goods that defines the character of the shore. Life in Johnstown moves with the deliberate pace of the freight ships, a steady and predictable momentum that keeps the residents connected to the wider world even as they remain rooted in the quietude of the Ontario landscape. The history of the region lingers in the way the morning mist clings to the docks, a reminder of the generations who have watched the same river bend around the bend of the land, finding purpose in the constant, quiet work of the port.
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Explore Johnstown, 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: 44.748055, -75.469722. 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 Johnstown 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 Johnstown 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 |