Modeling Landscape in Maya

1. Open a New scene
2. Go to Create Menu > NURBS Primitives > Plane

3. Scale the plane on XYZ, 38 units
4. Increase the U and V values to 14

5. Fill shade to the plane by pressing the key 5 on keyboard
6. Tweak control vertices to make terrain, follow the image below,

Note: you can also use Soft Modification Tool

Note: when you are done go ahead

7. Right click on the plane and select Assign New Material

8. Select Lambert as new material

9. Select checker swatch in front of the Color under the Common Material Attributes section
10. Choose file from Create Render Node window,

11. Assign a file texture of grass to it, see the image below,

12. Press the Key 8 on keyboard for going to Paint feature of Maya
13. In Paint Feature of Maya click the Get Brush Button
14. From visor scroll down and choose trees

15. Select any tree of your choice and paint in the scene

16. Again press the Key 8 on keyboard to go back to the perspective view
17. Press 6 on keyboard to see the textured scene

Note: Now you will import an image as the background of the scene

18. From perspective camera menus go to View > Image Plane > Import Image

19. Brows the background of your choice from your image collection like sky or clouds etc
20. Close the camera by zooming it