Blender 4.02
Create a Terrain (2) : use B&W diffuse map to create terrian
00:00 add a plane and subdivide
00:12 add modifier:Displace, modifier:Surface Subdivision
00:20 adjust texture properties with B&W diffuse map
00:40 adjust modifier: Displace
01:10 result
※After result, you can add another "modifier:Displace" to make the raised part more like stone.