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Saint Thomas Pennsylvania Map

Explore Saint Thomas, Pennsylvania, 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 Saint Thomas, Pennsylvania

How to Use This Saint Thomas, Pennsylvania Map

This interactive map shows the street layout and satellite imagery for Saint Thomas, Pennsylvania. 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 Pennsylvania 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 Saint Thomas.

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.

CitySaint Thomas
StatePennsylvania (PA)
CountyFranklin County
CountryUnited States of America
TimezoneEastern Time (America/New_York)
Latitude39.917591
Longitude-77.797773
Population2,800
Density35.0 /km²
IncorporatedN/A
ZIP Code17252
Area Code215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
County SeatChambersburg

About Saint Thomas, Pennsylvania

Saint Thomas is a locality in Franklin County, Pennsylvania, United States. It has a population of approximately 2,800. The population density is 35.0 people per km². Saint Thomas is located at 39.9176°N, 77.7978°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 17252.

Saint Thomas occupies a wide, fertile expanse where the horizon is defined by the distant, hazy silhouette of the Appalachian Mountains. It lies 7.4 miles west of Chambersburg, PA (from Chambersburg, PA: bearing 259°T), and is situated 9.5 miles north-northwest of Greencastle. The landscape here is characterized by the quiet, methodical transition of fields that slope toward the gentle depression of McCasslin Valley, while the water of Campbell Run moves with a steady, hushed purpose through the local terrain. A distinct stillness settles over the earth as daylight fades, casting long, thin shadows across the limestone-rich soil that has long dictated the rhythm of the region. Those who walk the nearby Hendrix Gap Trail find a terrain that feels ancient and deliberate, far removed from the clamor of industrial centers, where the air carries a crisp, earthen clarity during the transition between seasons.

Saint Thomas maintains an economy deeply rooted in the stewardship of its acreage, where the cycle of planting and harvest continues to shape the daily lives of its people. Residents often gather at the Edenville Community Association Park, a space that serves as a quiet anchor for local social life, far removed from the bustling commerce of larger hubs. Memories of earlier eras persist in the sturdy architecture of the farmsteads, which stand as practical monuments to generations who worked the land before shifting toward modern regional trade. On quiet afternoons, the atmosphere remains steady and unadorned, reflecting a culture that values the patience required to manage the land and the simple, reliable beauty found in the proximity of Rocky Spring Lake or the dense, encompassing growth of the Mont Alto State Forest.

Nearby Outdoor Places

  • Edenville Community Association Park (Local Park) — 2.3 mi, 352° N
  • State Game Land 235 (State Resource Management Area) — 2.7 mi, 330° NW
  • Buchanan State Forest (State Resource Management Area) — 4.5 mi, 357° N
  • American Legion Grounds (Local Park) — 4.9 mi, 171° S
  • Capitol Theatre (Theatre) — 7.3 mi, 081° E
  • Founding Father's Memorial Statue (Public Artwork) — 7.3 mi, 079° E
  • Voila! Children's Art & Creativity Center (Arts Centre) — 7.4 mi, 080° E
  • Big Mountain Overlook (Viewpoint) — 7.7 mi, 287° W
  • Cowans Gap State Park (State Park) — 7.8 mi, 303° NW
  • Park Acquisition 1 (Local Recreation) — 9.9 mi, 210° SW
  • Meeting Of The Pines Natural Area (State Conservation Area) — 14.6 mi, 111° E
  • Indian Springs Wma (State Conservation Area) — 15.1 mi, 207° SW
  • Caledonia State Park (State Park) — 15.6 mi, 091° E
  • Appalachian National Scenic Trail (National Trail) — 15.8 mi, 099° E · 110k acres
  • Caledonia Furnace (Monument) — 17.0 mi, 093° E
  • Huber Art Center (Arts Centre) — 17.6 mi, 056° NE
  • Shippensburg University Coordinates (Monument) — 17.6 mi, 056° NE
  • Jonathan Hager House and Museum (Museum) — 19.5 mi, 169° S
  • Mason Dixon Line monument (Monument) — 20.6 mi, 131° SE
  • Oregon Camp (Historic Ruins) — 20.7 mi, 296° NW
  • East Broad Top Railroad (Museum) — 22.9 mi, 346° N
  • Sleepy Creek Post Office (Historic Ruins) — 23.0 mi, 221° SW
  • Rockhill Trolley Museum (Museum) — 23.0 mi, 347° N
  • Sunset Movie Theater (Cinema) — 23.6 mi, 180° S
  • Junior Officer's Quarters (Attraction) — 23.9 mi, 207° SW
  • Captain's Quarters (Attraction) — 23.9 mi, 207° SW
  • Hancock Museum (Museum) — 25.3 mi, 234° SW
  • Camp Michaux (Historic Castle / Fort) — 25.6 mi, 071° E

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About This Saint Thomas Map Page

This page provides an embedded street and satellite map of Saint Thomas, Pennsylvania. Coordinates: 39.917591, -77.797773. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for Saint Thomas includes the ZIP code (17252), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Franklin County (Chambersburg), and school district assignment.

Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG 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 is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.

Page generatedSeptember 2026
Location dataSimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data
Map layersGoogle Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model)
Wikipedia validationArticle content matched to USGS GNIS coordinates via Wikipedia geosearch API.