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Rosemont Maryland Map

Explore Rosemont, 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 Rosemont, Maryland

How to Use This Rosemont, Maryland Map

This interactive map shows the street layout and satellite imagery for Rosemont, 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 Rosemont.

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	Rosemont
State	Maryland (MD)
County	Howard County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	39.333729
Longitude	-77.62276
Population	272
Density	188.9 /km²
Incorporated	Yes
ZIP Codes	21227, 20877, 21758
Area Code	301, 240, 410, 443
County Seat	Ellicott City
School District	Frederick County Public Schools

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

About Rosemont, Maryland

Rosemont is a locality in Howard County, Maryland, United States. It is a small community with a population of 272. The population density is 188.9 people per km². Rosemont is located at 39.3337°N, 77.6228°W. It observes the Eastern Time (America/New_York) timezone. Rosemont is an incorporated locality. ZIP codes: 21227, 20877, 21758.

Rosemont occupies a quiet intersection of Maryland geography where the land yields to the steady, rhythmic persistence of the Hammond Branch. It lies 1.7 miles southeast of Ocean Beach, CA (from Ocean Beach, CA: bearing 130°T), and is situated 4.4 miles west-northwest of San Diego. This stream marks the local topography, carving a subtle path through the earth that defines the drainage of the immediate terrain. The landscape here is characterized by a mature, inland woodland, where the light at dusk catches the silvered bark of deciduous trees and filters down into the damp, shadowed hollows. Only a mile away, the expansive waters of Rocky Gorge Reservoir provide a still, reflective counterpoint to the moving current of the branch, grounding the area in a consistent, quiet hydrology that has long shaped the surrounding soil.

Rosemont maintains an atmosphere of deliberate industry and historical continuity, anchored by the nearby County Open Space which preserves a portion of the original Piedmont character. The local economy persists with a pragmatic focus, reflecting a regional legacy that favors long-standing land stewardship over rapid, disruptive expansion. Residents observe the change of seasons in the deep, earthen colors of the fall and the stark, skeletal geometry of the winter trees, a cycle that feels removed from the frantic pace of the larger, distant urban centers. While the distant, hazy silhouette of the Appalachian Mountains occasionally suggests a grander scale on the horizon, the daily reality remains tethered to the intimate details of the immediate fields and the slow, reliable flow of water through the local watershed.

Nearby Outdoor Places

Brunswick Pond Fish Management Area (State Resource Management Area) — 0.5 mi, 082° E
Brunswick Pond Fma Pfa (State Conservation Area) — 0.5 mi, 081° E
Brunswick Open Space (Local Park) — 0.6 mi, 169° S
Brunswick Crossing-Community Center (Local Recreation) — 0.7 mi, 262° W
Othello Regional Park (Local Recreation) — 0.9 mi, 056° NE
MD State Highway Administration 1 (State Resource Management Area) — 0.9 mi, 195° S
Veterans Memorial Park (Local Park) — 1.4 mi, 186° S
Gum Springs Memorial (Monument) — 1.4 mi, 169° S
South Mountain Sp (State Park) — 2.5 mi, 306° NW
Appalachian National Scenic Trail (National Trail) — 2.5 mi, 305° NW · 110k acres
Frederick County (Monument) — 2.5 mi, 264° W
South Mountain State Park (State Park) — 2.5 mi, 308° NW
Weverton Cliffs (Viewpoint) — 2.9 mi, 268° W
Goodloe E Byron (Monument) — 2.9 mi, 268° W
Potoma Wayside (Attraction) — 4.9 mi, 259° W
MD-VA-WV Tripoint (Attraction) — 5.2 mi, 260° W
Cotton/Flour Mill Intake Arches (Historic Ruins) — 6.2 mi, 262° W
Warehouse Cinemas (Cinema) — 10.8 mi, 056° NE
Civil War Medical Museum (Museum) — 11.0 mi, 334° NW
Civilian Conservation Corps (Public Artwork) — 11.3 mi, 037° NE
Little House (Attraction) — 11.8 mi, 305° NW
Frederick Book Arts Center (Arts Centre) — 12.6 mi, 065° NE
Hallowood Worship Center (Theatre) — 12.8 mi, 117° SE
Jefferson County Museum (Museum) — 13.0 mi, 257° W
Shannondale Lodge (Historic Ruins) — 13.2 mi, 230° SW
The Great Frederick Fair (Attraction) — 13.3 mi, 066° NE
Winmill Carriage Museum (Museum) — 13.5 mi, 168° S
Gov. Westmoreland Davis Home (Museum) — 13.6 mi, 169° S

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