How to Get Elevation Data for Any Location (Free Tool)

Published March 25, 2026 · 5 min read

Elevation data is fundamental for construction planning, flood risk assessment, telecommunications coverage modeling, agriculture, and outdoor recreation. Whether you need the altitude of a building site, the elevation profile of a hiking trail, or the height above sea level for a proposed antenna location, PixelGust provides instant elevation lookups for any coordinates on Earth.

Quick start: Open PixelGust, click any location on the map, and enable the Terrain panel. You will see elevation (meters above sea level), slope (degrees), aspect (compass direction), and Topographic Wetness Index (TWI).

Data Source: Copernicus DEM

PixelGust uses the Copernicus Digital Elevation Model (DEM) at 30-meter resolution, produced by the European Space Agency. This is one of the most accurate freely available global elevation datasets, derived from radar measurements by the TanDEM-X satellite mission.

PropertyValue
DatasetCopernicus GLO-30 DEM
Resolution~30 meters (1 arc-second)
CoverageGlobal (80N to 80S latitude)
AccuracyAbsolute vertical: < 4 meters RMSE
SourceTanDEM-X radar interferometry
ProviderEuropean Space Agency / Copernicus

What Terrain Metrics Are Available?

Elevation

Height above sea level in meters. Essential for construction permits, flood zone determination, aviation planning, and altitude-dependent agriculture decisions.

Slope

The steepness of the terrain in degrees (0 = flat, 90 = vertical cliff). Critical for solar panel installation, road construction, erosion assessment, and building foundation design. Slopes above 15 degrees typically require special engineering considerations.

Aspect

The compass direction a slope faces (N, NE, E, SE, S, SW, W, NW). South-facing slopes (in the Northern Hemisphere) receive the most sunlight, making aspect essential for solar energy site selection, vineyard planning, and building orientation.

Topographic Wetness Index (TWI)

A measure of how much water accumulates at a given point based on the surrounding terrain. High TWI values indicate areas where water naturally collects, which correlates with flood susceptibility, soil moisture, and wetland potential.

Use Cases

Construction and Civil Engineering

Before any construction project, engineers need to understand the terrain. Elevation data helps determine grading requirements, drainage design, and foundation specifications. Slope data identifies areas that may need retaining walls or special foundations.

Telecommunications

Cell tower placement requires line-of-sight analysis between towers. Elevation data is essential for determining coverage areas, signal propagation, and identifying terrain obstacles that might block signals.

Agriculture

Elevation affects temperature, frost risk, and growing seasons. Aspect determines sun exposure for crops. Slope influences irrigation and erosion. Farmers and agronomists use terrain data to optimize crop placement and irrigation systems.

Real Estate

Properties at lower elevations in flood-prone areas carry higher insurance costs. Slope affects buildability and construction costs. Aspect influences natural lighting and heating costs. All of these factors affect property value.

How to Look Up Elevation

  1. Open the dashboard at pixelgust.com/app.
  2. Click any location on the map or enter coordinates manually.
  3. Enable the Terrain panel to see elevation, slope, aspect, and TWI.
  4. For area analysis, switch to Polygon mode and draw a boundary. You will get min, mean, and max elevation across the entire area.

API Access

Need elevation data programmatically? The PixelGust API returns terrain metrics as part of its standard response. Send coordinates, get elevation, slope, aspect, and TWI back in JSON format. See our API documentation for details.

Look Up Elevation for Any Location

Copernicus DEM at 30m resolution. Free, instant results worldwide.

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