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Glen Arm Maryland Map

Explore Glen Arm, Maryland, 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 Glen Arm, Maryland

How to Use This Glen Arm, Maryland Map

This interactive map shows the street layout and satellite imagery for Glen Arm, Maryland. 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 Maryland 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 Glen Arm.

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	Glen Arm
State	Maryland (MD)
County	Baltimore County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	39.45344
Longitude	-76.494409
Population	3,200
Density	120.0 /km²
Incorporated	N/A
ZIP Code	21057
Area Code	240, 301
County Seat	Towson

🌦 Goto Glen Arm Weather Page: Glen Arm, Maryland — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Glen Arm, Maryland

Glen Arm is a locality in Baltimore County, Maryland, United States. It has a population of approximately 3,200. The population density is 120.0 people per km². Glen Arm is located at 39.4534°N, 76.4944°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 21057.

Glen Arm defines itself through a landscape of quiet, verdant slopes that rise and fall with the measured cadence of the Maryland Piedmont. It lies 3.2 miles northeast of Loch Raven, MD (from Loch Raven, MD: bearing 42°T), and is situated 6.8 miles east-northeast of Towson. The air here holds a particular weight, carrying the damp, earthen scent of nearby Cowen Run as it carves a path through the dense undergrowth. To the west, the expansive surface of Loch Raven Reservoir mirrors the shifting gray light of the afternoon, while the distant, jagged silhouette of Rock Ridge anchors the horizon against a pale, expansive sky. Beyond the immediate canopy of hardwoods, the terrain settles into the tranquil depression of Dulaney Valley, where the morning mist lingers long after the sun has climbed above the tree line.

Glen Arm retains the character of a place where the reach of the distant coast is felt only in the moisture of the wind, which travels eleven miles inland from the quiet waters of Baynes Cove. The local economy has long since shifted from its agrarian roots to a more suburban rhythm, yet the legacy of the land remains etched in the winding roads and the expansive, preserved tracts of Gunpowder Falls Sp. Life here moves in concert with the seasonal cycle of the foliage, far removed from the clamor of industrial centers, though the proximity to regional hubs keeps the pace brisk. Residents often look toward the horizon, acknowledging a geography that stretches from the protected woodlands toward the salt-tinged air of the tide-water regions, maintaining a deliberate balance between the stillness of the interior and the pull of the distant, brackish harbors.

Nearby Outdoor Places

Gunpowder Falls Sp (State Park) — 1.0 mi, 183° S
Frderic W Cone (Monument) — 1.6 mi, 131° SE
Ma & Pa Trestle (Viewpoint) — 2.1 mi, 223° SW
Gunpowder Falls State Park (State Park) — 2.4 mi, 185° S
Saint John the Evangelist (Public Artwork) — 2.6 mi, 022° N
Cub Hill Ft (State Resource Management Area) — 3.1 mi, 206° SW
Local Open Space (Local Park) — 3.4 mi, 332° NW
In Loving Memory Of Marlane C. King (Monument) — 4.0 mi, 231° SW
St. John's Parish (Gunpowder) (Monument) — 4.1 mi, 093° E
Furnace (Historic Ruins) — 4.9 mi, 268° W
Northampton Furnace (Attraction) — 5.1 mi, 257° W
Double Rock Park (Attraction) — 5.8 mi, 198° S
Horizon Cinemas (Cinema) — 6.1 mi, 064° NE
Merrick Lecture Hall (Theatre) — 6.2 mi, 240° SW
Rosenberg Gallery (Gallery) — 6.2 mi, 240° SW
Kraushaar Auditorium (Theatre) — 6.2 mi, 240° SW
Lp5014 (Local Park) — 6.4 mi, 202° S
Carpe Librum (Gallery) — 6.5 mi, 206° SW
Fire Museum of Maryland (Museum) — 6.8 mi, 249° W
Natural History Society of Maryland (Museum) — 6.9 mi, 195° S
Towson Arts Collective (Gallery) — 7.2 mi, 247° SW
Go Fish (Aquarium) — 7.9 mi, 176° S
Lime Kiln (Historic Ruins) — 8.1 mi, 297° NW
Chesapeake Bay National Estuarine Research Reserve - Maryland (Marine Protected Area) — 10.2 mi, 098° E
Fort McHenry National Monument and Historic Shrine (National Monument) — 13.7 mi, 199° S · 47 acres
Blackwater National Wildlife Refuge (National Wildlife Refuge) — 22.9 mi, 070° E · 96k acres
Patuxent Research Refuge (National Wildlife Refuge) — 28.1 mi, 206° SW · 26k acres

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