To do so, simply slide the bar in the opacity adjustment (circled in red in the bottom picture below). That shows you the elevation under your mouse pointer or. If you want to see the elevation of a place, you can use Google Earth Pro. That is, you can fade it in and out so that you either see just the topo map, just the satellite image, or both simultaneously. Google Maps does have a Terrain layer that is like a topo map. One great feature of this layer is that you can change its opacity. From here, scroll down and select Earth Pro and Earth EC. ![]() Where it says Check out the advanced features in Google Earth Pro, select Upgrade today You will then be directed to the Earth Help website page. To make this a permanent addition, move the icon to the “My Places” folder just drag it over and drop it into “My Places.” In the Start-Up Tip window scroll to the bottom of the page. When you first open the file, you will see a “NGS_Topo_US_2D” icon under the “Temporary Places” folder in the left-hand “Places” column. You need to take one more step, however, to ensure that this file remains available for future use. It will open automatically in Google Earth.ĥ) At this point, you’re essentially done and can begin zooming in and out on topo maps for the entire country. of the KML format which is used for displaying the maps in Google Earth. We also discovered that on the route shown above there were several tunnels and bridges and the route in Google Earth that is used for the elevation profile follows the ground and not the actual road surface resulting in large bumps and dips in the elevation profile.Google EarthThree shots of Tuckerman Ravine as the topo map is faded outĭid you know that you can overlay every available USGS topo map on Google Earth for free? And that you can set it up in a matter of minutes? Here’s how:ġ) Install Google Earth if you haven’t already.Ģ) Download the Google Earth topo map layer from the ArcGIS Services Directory (it’s the NGS Topo US 2D (MapServer) file).ģ) When prompted, save the file to your computer.Ĥ) Find and double-click the file. Explore, interact, and download topographic maps from the USGS free of charge. Keep in mind that Google Earth’s elevation data is not very high resolution and should not be taken as anything more than a rough guide. If you hold your mouse over the elevation profile, it will show a red arrow on the map marking the location, and also display the height above sea level and gradient at that point. In this case, you can draw out the path as before, or if it is a route on roads/paths already marked on Google Earth, you can use the Get Directions feature right-click (CTRL click on Mac) on the blue line and select ‘Show Elevation Profile’.Įlevation profile of a route in the Swiss Alps. But it is not restricted to straight lines and much more often you will be interested in the elevation profile of a hike you are planning, or bicycle route. In the western states, the USGS topo map includes township and range markings, which can be helpful. Topographic Maps For The US And Canada In A Google Maps Interface Joseph Elfelt writes to announce his Gmap4 website, which displays the MyTopo version of USGS topographic maps (down to 1:24K scale) and Canadian topo maps (to 1:50K) in a Google Maps interface standard Google Maps layers are available as well. ![]() If you want the elevation profile of a slice through a mountain or valley, simply draw a straight line using the ‘Add Path’ tool on the Google Earth toolbar. The feature is easy to use, all you need is a path selected in your ‘My Places’ then go to the ‘Edit’ menu and select ‘Show Elevation Profile’. You should now be prompted to open or save the file NGSTopoUS2D. On the NGSTopoUS2D page, under View In, select Google Earth. ![]() Under Services, select NGSTopoUS2D (MapServer). An often overlooked feature of Google Earth, elevation profiles were first introduced in version 5.2. Getting Started First things first, make sure you have Google Earth installed.
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