Explore Castle Shannon, 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.
This interactive map shows the street layout and satellite imagery for Castle Shannon, 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 Castle Shannon.
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.
| City | Castle Shannon |
| State | Pennsylvania (PA) |
| County | Allegheny County |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 40.364792 |
| Longitude | -80.022275 |
| Population | 8,249 |
| Density | 1993.1 /km² |
| Incorporated | Yes |
| ZIP Code | 15234 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | Pittsburgh |
| School District | Keystone Oaks School District |
Castle Shannon sits upon the rugged terrain of the Allegheny Plateau, where the earth rises and falls in long, rhythmic swells of limestone and shale. It lies 1.6 miles east-northeast of Mount Lebanon, PA (from Mount Lebanon, PA: bearing 66°T), and is situated 5.4 miles south-southwest of Pittsburgh. Sawmill Run cuts a persistent, winding path through the landscape, acting as a quiet artery for the land. Beyond the immediate tree lines, the distant silhouette of the Allegheny Mountains creates a jagged, violet boundary against the evening sky. Residents often find solace in the green expanse of Hamilton Park, which provides a necessary pause in the density of the built environment. Five miles away, the quiet waters of Lynch Ponds offer a reflective stillness that contrasts with the constant, subtle motion of the nearby Sleepy Hollow basin. The light here at dusk possesses a singular clarity, turning the gray brick of older structures into something soft and luminous.
Castle Shannon emerged from the industrious spirit of the nineteenth century, when the promise of coal drew settlers to the veins of black fuel beneath the soil. While the deep shafts have long since closed, the local economy transitioned into the steady, measured pulse of regional commerce and suburban service. The legacy of those early mining days remains visible in the architecture and the resilient, pragmatic character of the people who reside here. Small businesses and professional services now occupy the spaces where rail cars once hauled their heavy loads toward the larger markets of the region. This transition from extraction to a stable residential life has fostered a quiet endurance in the daily routines of the inhabitants. Workers often travel toward the city, yet they return to the familiar streets of Castle Shannon to find a grounded, unpretentious sense of place.
Cultural character in Castle Shannon is defined by a deep-rooted sense of neighborhood loyalty and an appreciation for the simple rituals of the seasons. Those who wish for a brief journey into the past or a different perspective on the landscape often travel to the Duquesne Incline to view the wider valley from above. The community gathers for local events that celebrate the shared history and the changing calendar, reinforcing the bonds that keep the population connected. While the region has produced many industrious citizens, it is the collective identity of the residents that leaves the most lasting impression. Life here moves with a steady, predictable pace, favoring the comfort of long-standing social circles over the frantic speed of larger urban centers. Every evening, the air cools rapidly, carrying the faint, earthy scent of damp soil and leaf litter from the surrounding woodlands.
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This page provides an embedded street and satellite map of Castle Shannon, Pennsylvania. Coordinates: 40.364792, -80.022275. 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 Castle Shannon includes the ZIP code (15234), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Allegheny County (Pittsburgh), and school district assignment (Keystone Oaks School District).
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 generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |