Look at the ground in three dimensions
A contour map tells you a slope is steep. A 3D view tells you what it looks like. The explorer drapes satellite imagery or topo over real elevation and lets you fly around it.
Steps
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Open the 3D view
Map tab → the 3D terrain icon in the left tool column. -
Pick a drape
The Sat/3D toggle switches between satellite imagery and the topo map over the same terrain. -
Exaggerate the relief
The exaggeration control stretches the vertical scale, which makes subtle terrain readable without changing where anything is. -
Turn the phone
It is best in landscape, where there is room for the horizon.
Worth knowing
- It works offline anywhere you have already downloaded the map.