HeightMaps

For peoples who dont know how to import heigtmap and heatmaps;

For heightmaps;

Press landscape-manage-new, press import from file select the heightmap file heightmap resolution will automatically fit, after that go to scale and change the z value (write near the heightmap name)

For heatmaps;

Assign a material to your map under the import from file button

Go to layers and assign your layers

After that select the heatmaps 

Here is the video link

https://www.youtube.com/watch?v=rmM3OmQyUgU