Mason Neck, VA Elevation & Topographic Map
Elevation
180 ft 55 m130 ft 40 m110 ft 35 m66 ft 20 m22 ft 7 m0 ft 0 m
Contours every 200 ft, bold every 1,000 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Area
- Fades everything outside the official CDP boundary (US Census).
Elevation Data
Mason Neck sits at about 33 ft (10 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
33 ft 10 m
most residents: 23–120 ft
Lowest
0 ft 0 m
at sea level on Belmont Bay
Highest
180 ft 55 m
on the northwest side
Average
56 ft 17 m
all land inside the CDP boundary
Mason Neck spans about 180 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 33 ft10 m |
| Highest point Inside the CDP boundary, on the northwest side | 180 ft55 m |
| Lowest point Where the land meets Belmont Bay | 0 ft0 m |
| Airport (DCA) FAA airport elevation, the highest point of its runways, 14 mi northeast of the CDP boundary | 14 ft4 m |
| Average of all land | 56 ft17 m |
Elevation profile, west to east
5.2 mi west to east through the middle of Mason Neck.
Topographic Map
- Location
- Unincorporated community (census-designated place) in Fairfax County, Virginia, United States
- Population
- 2,025 2020 Census
- Land area
- 13.9 sq mi + 6.4 sq mi water
- Density
- 146 per sq mi
- Coordinates
- 38.6639° N, 77.1944° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Piedmont
- Drains to
- Potomac River → Atlantic Ocean
- Airport
- Ronald Reagan Washington Ntl (DCA) 14 ft
- ZIP codes 1
- 22079
⤓ Download this map
WebP, 1200 × 900. Free to use: credit “ElevationOf.com” with a link to this page.
Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Crosspointe290 ft
- Potomac Mills270 ft
- Laurel Hill180 ft
- Newington180 ft
- Lorton120 ft
- Fort Belvoir120 ft
- Woodbridge92 ft
- Potomac Heights, MD81 ft
- Occoquan80 ft
- Indian Head, MD34 ft
- Mason Neck33 ft
Rankings by typical elevation
- Towns in Virginia633rd highest of 700
- Towns in Fairfax Countylowest of 69
Peaks and hills nearest, by height
- Stony Man4,011 ft
- Sugarloaf3,450 ft
- Old Rag Mountain3,285 ft
- Munson Hill370 ft
- Shooters Hill, Alexandria city190 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the CDP boundary, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census CDP boundary (TIGER, Jan 1 2026).
- Pits: the lowest point is the lowest ground outside closed hollows (quarry floors, mine pits, terrain-model artifacts): any hollow under 0.4 sq mi (1 km²), and any hollow under 2 sq mi (5 km²) whose floor is more than 100 ft (30 m) below its rim; and outside patches below sea level of under 0.4 sq mi (1 km²). The single lowest 3DEP cell, −2 ft at 38.6349° N, 77.1618° W, is in such a hollow or patch and is not counted; this coastal land's lowest point is sea level on the coast.
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Mason Neck is an unincorporated community; figures cover the census-designated place, a statistical area.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones; NOAA NGS survey heights. All public domain.