Los Alamos County, NM Elevation & Topographic Map
Elevation
10,480 ft 3,195 m9,210 ft 2,805 m8,570 ft 2,610 m7,290 ft 2,220 m6,010 ft 1,835 m5,370 ft 1,640 m
Contours every 500 ft, bold every 2,500 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.
- County area
- Fades everything outside the official county boundary (US Census).
Elevation Data
Los Alamos County averages about 7,520 ft (2,295 m) above sea level across all its land. Its ground runs from 5,370 ft on the south side to 10,480 ft on Caballo Mountain.
Average elevation
7,520 ft 2,295 m
all land inside the county
Highest
10,480 ft 3,195 m
on Caballo Mountain
Lowest
5,370 ft 1,640 m
on the south side
Los Alamos County spans about 5,110 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Average of all land | 7,520 ft2,295 m |
| Highest point Inside the county, on Caballo Mountain | 10,480 ft3,195 m |
| Lowest point Inside the county, on the south side | 5,370 ft1,640 m |
Elevation profile, west to east
8.6 mi west to east through Los Alamos.
Topographic Map
- Location
- County in New Mexico, United States
- Population
- 19,675 2024 est.
- Land area
- 109.1 sq mi + 0.1 sq mi water
- Density
- 180 per sq mi
- Time zone
- Mountain UTC−7 / −6
- Landform region
- Southern Rocky Mountains
- Drains to
- Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Rio Arriba County7,670 ft
- Los Alamos County7,520 ft
- Santa Fe County6,880 ft
- Sandoval County6,710 ft
Rankings by average elevation
- Counties in New Mexico3rd highest of 33
Peaks and hills highest inside
- Twomile Mesa8,260 ft
- South Mesa, Los Alamos County7,960 ft
- Guaje Mountain7,645 ft
- Escobas Mesa7,640 ft
- Pajarito Mesa7,450 ft
All 2 towns in Los Alamos County by typical elevation
- Los Alamos7,290 ft
- White Rock6,360 ft
How we measure
- Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 1 arc-second (≈100 ft, 30 m) grid. Land means the boundary minus Census area water.
- Highest and lowest: the highest land cell. Lowest: the lowest land cell; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
- Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it 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).
- Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
- 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 (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.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.