3D Map Viewer — Hillshade, Slope Map & Terrain Creator
Frequently Asked Questions
Q:What is the 3D Map Viewer?
The 3D Map Viewer is a free online tool that lets you create interactive 3D terrain maps, hillshade visualizations, slope maps, and elevation heatmaps for any location in the world. Simply draw an area or upload a KML file to get started.
Q:Can I create a hillshade map online for free?
Yes. The tool automatically generates a hillshade layer using global SRTM elevation data. Hillshade (also called hill shade) simulates how sunlight hits the terrain, revealing ridges, valleys, and slopes in stunning detail.
Q:What is a hill slope or slope map?
A slope map (hill slope map) colors each pixel based on its steepness in degrees. Flat areas appear green and steep cliffs appear red. This tool generates slope maps automatically from SRTM DEM data for any drawn area.
Q:Is this a hill shade creator?
Yes. This tool functions as a full hill shade (hillshade) creator — it computes shaded relief from elevation data and renders it as an interactive overlay. You can combine it with satellite imagery or contour lines.
Q:What data powers the 3D terrain?
Uses global SRTM and Copernicus DEM data for elevation, combined with satellite imagery basemaps.
Q:Can I overlay my own KML data?
Yes. Upload KML/KMZ files to overlay your vector data on the 3D terrain surface alongside the hillshade or slope map.
Q:What analysis layers are available?
Provides hillshade, slope map, contour lines, elevation heatmap, river network overlays, and full 3D terrain visualization.
Q:Is the 3D Map Viewer free?
Yes, viewing interactive 3D terrain maps, hillshade, and slope maps is 100% free with no account required.