La Salle County, TX Elevation & Topographic Map
Elevation
660 ft 200 m550 ft 170 m500 ft 155 m400 ft 120 m300 ft 90 m250 ft 75 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
La Salle County averages about 420 ft (130 m) above sea level across all its land. Its ground runs from 250 ft on the southeast side to 660 ft on the northwest side.
Average elevation
420 ft 130 m
all land inside the county
Highest
660 ft 200 m
on the northwest side
Lowest
250 ft 75 m
on the southeast side
La Salle County spans about 410 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 | 420 ft130 m |
| Highest point Inside the county, on the northwest side | 660 ft200 m |
| Lowest point Inside the county, on the southeast side | 250 ft75 m |
Elevation profile, south to north
42 mi south to north through Cotulla.
Topographic Map
- Location
- County in Texas, United States
- Population
- 6,679 2024 est.
- Land area
- 1,486.7 sq mi + 7.5 sq mi water
- Density
- 4.5 per sq mi
- Time zone
- Central UTC−6 / −5
- Landform region
- Coastal Plain
- Drains to
- Gulf of America
⤓ Download this map
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Dimmit County610 ft
- Webb County590 ft
- Frio County580 ft
- Atascosa County430 ft
- La Salle County420 ft
- McMullen County320 ft
Rankings by average elevation
- Counties in Texas175th highest of 254
- Counties in the United States2,443rd highest of 3,151
Peaks and hills highest inside
- Koon Hill350 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.