Explore St. Thomas, 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.
This page also offers TOPO MAPS — the Canada Base Map with Toporama contours — plus shaded relief, a labelled UTM grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below. You will find live weather, local and world news further down the page.
Imagery © Google · for orientation only, not for navigation
This interactive map shows the street layout and satellite imagery for St. Thomas, 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 St. Thomas and surrounding areas, including streets, buildings, parks and waterways.
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 Canada Base Map from Natural Resources Canada with Toporama contours layered over it — the CanVec topographic data behind the printed NTS sheets, and the mapping used for hiking, hunting, canoe routes and back-country travel. Relief shows shaded relief and hypsometric tints. The search box finds any Canadian town, county or landmark by name, so you are not limited to St. Thomas.
Reading the map like a paper NTS sheet. Click Grid to overlay the UTM grid, 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 — which matters in Canada, where declination runs from about 20 degrees west in Newfoundland to 20 degrees east in the Yukon.
Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a UTM/MGRS grid reference as well as plain latitude and longitude — the grid reference being what Canadian search and rescue 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.
Map search is available for a limited number of queries per session to manage costs. Be specific — search precisely for best results.
| Place | St. Thomas |
| Type | City |
| Province / Territory | Ontario (ON) |
| Location | Elgin |
| Country | Canada |
| Latitude | 42.780833 |
| Longitude | -81.185556 |
| Population | 42,840 |
| Postal Code (FSA) | N5P |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Importance | Large city |
| CGN ID | FDTCR |
St. Thomas is a city in Elgin, Ontario, Canada. It is classified as a large city. St. Thomas is located at 42.7808°N, 81.1856°W.
St. Thomas occupies a settled stretch of land defined by the quiet presence of the earth and the nearby reach of the natural world. It lies 21.1 km south of London, ON (from London, ON: bearing 170°T), and is situated 12.9 km north of Port Stanley. The terrain surrounding St. Thomas holds a stillness that deepens as the light slants low against the fields, casting long, deliberate shadows that emphasize the horizon. To the north, the Thames River flows with a persistent, steady purpose, while the closer stillness of Pinafore Lake offers a mirror to the sky, catching the pale gold of late afternoons. Nearby, the Dalewood Conservation Area protects a pocket of quiet woodland where the air feels heavier with the scent of damp soil and ancient growth, grounding the outskirts of St. Thomas in a landscape that feels both managed and wild. The history of St. Thomas rests upon the iron and steam of a bygone era, when the clatter of rail lines defined the promise of growth and movement. Once a vital hub for regional industry, St. Thomas saw its economy shaped by the demands of the tracks and the industrious spirit of those who kept the engines turning. Today, the remnants of that mechanical heritage linger in the sturdy brickwork of the older districts, where the architecture remembers a time of soot and ambition. While the character of modern industry has shifted toward new ventures, the spirit of the place remains fixed on a practical, hardworking resilience that draws its strength from the fertile ground of the surrounding region. The cultural identity of St. Thomas reflects a balance between the traditions of the past and the quiet persistence of its residents. Within the local gatherings, one finds a steady, unassuming pride in the landmarks that dot the streets, serving as touchstones for those who have called St. Thomas home for generations. The atmosphere is marked by the deliberate pace of daily life, where the seasons dictate the mood of the streets more than any fleeting trend. Whether through the seasonal traditions that draw neighbors together or the simple enjoyment of a morning walk near the calm waters of Pinafore Lake, the people of St. Thomas maintain a way of life that values the tangible over the ephemeral, keeping their focus on the immediate beauty of their own surroundings.
Loading news…
Loading news…
Loading news…
Explore St. Thomas, 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: 42.780833, -81.185556. 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 St. Thomas includes the postal code (N5P), 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.
Search Maps opens a second, independent map. It searches OpenStreetMap for any Canadian town, county or landmark by name; offers the Canada Base Map with Toporama contours and shaded relief as base layers; overlays a labelled UTM grid so the map can be read like a printed NTS sheet; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a UTM/MGRS grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data for St. Thomas 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 | September 2026 |
| Location data | Canadian Geographical Names Database (CGN), Natural Resources Canada |
| Map layers | Google Maps; © OpenStreetMap contributors; Canada Base Map, Toporama and CBME © Natural Resources Canada (Open Government Licence — Canada); magnetic declination from NOAA NCEI (World Magnetic Model) |