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This example demonstrates the use of the ElevationService object. Click on the map to display the elevation at the clicked point. Read the documentation.
function initMap(): void {
const map = new google.maps.Map(
document.getElementById("map") as HTMLElement,
{
zoom: 8,
center: { lat: 63.333, lng: -150.5 }, // Denali.
mapTypeId: "terrain",
}
);
const elevator = new google.maps.ElevationService();
const infowindow = new google.maps.InfoWindow({});
infowindow.open(map);
// Add a listener for the click event. Display the elevation for the LatLng of
// the click inside the infowindow.
map.addListener("click", (event) => {
displayLocationElevation(event.latLng, elevator, infowindow);
});
}
function displayLocationElevation(
location: google.maps.LatLng,
elevator: google.maps.ElevationService,
infowindow: google.maps.InfoWindow
) {
// Initiate the location request
elevator
.getElevationForLocations({
locations: [location],
})
.then(({ results }) => {
infowindow.setPosition(location);
// Retrieve the first result
if (results[0]) {
// Open the infowindow indicating the elevation at the clicked position.
infowindow.setContent(
"The elevation at this point <br>is " +
results[0].elevation +
" meters."
);
} else {
infowindow.setContent("No results found");
}
})
.catch((e) =>
infowindow.setContent("Elevation service failed due to: " + e)
);
}
declare global {
interface Window {
initMap: () => void;
}
}
window.initMap = initMap;Note: Read the guide on using TypeScript and Google Maps. JavaScript
function initMap() {
const map = new google.maps.Map(document.getElementById("map"), {
zoom: 8,
center: { lat: 63.333, lng: -150.5 }, // Denali.
mapTypeId: "terrain",
});
const elevator = new google.maps.ElevationService();
const infowindow = new google.maps.InfoWindow({});
infowindow.open(map);
// Add a listener for the click event. Display the elevation for the LatLng of
// the click inside the infowindow.
map.addListener("click", (event) => {
displayLocationElevation(event.latLng, elevator, infowindow);
});
}
function displayLocationElevation(location, elevator, infowindow) {
// Initiate the location request
elevator
.getElevationForLocations({
locations: [location],
})
.then(({ results }) => {
infowindow.setPosition(location);
// Retrieve the first result
if (results[0]) {
// Open the infowindow indicating the elevation at the clicked position.
infowindow.setContent(
"The elevation at this point <br>is " +
results[0].elevation +
" meters.",
);
} else {
infowindow.setContent("No results found");
}
})
.catch((e) =>
infowindow.setContent("Elevation service failed due to: " + e),
);
}
window.initMap = initMap;Note: The JavaScript is compiled from the TypeScript snippet. CSS
/*
* Always set the map height explicitly to define the size of the div element
* that contains the map.
*/
#map {
height: 100%;
}
/*
* Optional: Makes the sample page fill the window.
*/
html,
body {
height: 100%;
margin: 0;
padding: 0;
}
HTML
<html>
<head>
<title>Elevation Service</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<div id="map"></div>
<!--
The `defer` attribute causes the script to execute after the full HTML
document has been parsed. For non-blocking uses, avoiding race conditions,
and consistent behavior across browsers, consider loading using Promises. See
https://developers.google.com/maps/documentation/javascript/load-maps-js-api
for more information.
-->
<script
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"
defer
></script>
</body>
</html> Try Sample Clone Sample
Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
git clone -b sample-elevation-simple https://github.com/googlemaps/js-samples.gitcd js-samplesnpm inpm start
Other samples can be tried by switching to any branch beginning with sample-SAMPLE_NAME.
git checkout sample-SAMPLE_NAMEnpm inpm start
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-07-02 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["This example demonstrates how to use the `ElevationService` to display the elevation of a clicked point on a map."],["It uses an infowindow to show the elevation at the clicked location, retrieved using the `getElevationForLocations` method."],["The sample code is provided in both TypeScript and JavaScript, with the JavaScript compiled from the TypeScript."],["Users can click on the map to see the elevation at the clicked point, and error handling is included in case the service fails."],["The HTML, CSS, and JavaScript code snippets are provided, along with options to try the sample in JSFiddle or Google Cloud Shell."]]],[]]
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