noun
three-dimensional map; relief map
Refers to a map that shows elevation and terrain features in three dimensions, either physically raised or digitally rendered.
博物館で立体地図を見て、山の形がよくわかった。
I saw a three-dimensional map at the museum and could clearly understand the shape of the mountains.
地形図 is a topographic map, typically a flat map with contour lines, while 立体地図 emphasizes the three-dimensional representation.
Compound of 立体 (three-dimensional) and 地図 (map).