Add 3D terrain to a map | Mapbox GL JS

This example adds 3D terrain to a map using setTerrain with a raster-dem source.

It uses exaggeration to exaggerate the height of the terrain. It also adds sky styling with fog that shows when the map is highly pitched.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Add 3D terrain to a map</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v2.10.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v2.10.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
 
<script>
	// TO MAKE THE MAP APPEAR YOU MUST
	// ADD YOUR ACCESS TOKEN FROM
	// https://account.mapbox.com
	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const map = new mapboxgl.Map({
container: 'map',
zoom: 13.1,
center: [-114.34411, 32.6141],
pitch: 85,
bearing: 80,
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox-map-design/ckhqrf2tz0dt119ny6azh975y'
});
 
map.on('load', () => {
map.addSource('mapbox-dem', {
'type': 'raster-dem',
'url': 'mapbox://mapbox.mapbox-terrain-dem-v1',
'tileSize': 512,
'maxzoom': 14
});
// add the DEM source as a terrain layer with exaggerated height
map.setTerrain({ 'source': 'mapbox-dem', 'exaggeration': 1.5 });
 
// add sky styling with `setFog` that will show when the map is highly pitched
map.setFog({
'horizon-blend': 0.3,
'color': '#f8f0e3',
'high-color': '#add8e6',
'space-color': '#d8f2ff',
'star-intensity': 0.0
});
});
</script>
 
</body>
</html>