Blender Level Creation Tutorials -- Creating Terrain
In part two of this Blender level creation tutorial, we now look at creating terrain using Blender. This is done by creating a heightmap and then apply it using a Displace modifer in Blender.
There is a text based version of this tutorial available here:
http://www.gamefromscratch.com/post/2016/01/12/Game-Level-Creation-in-Blender-Part-One-The-Skybox.aspx
If you've got no prior experience with Blender, I have a pair of tutorials, one text based, the other here on YouTube that will get you started:
http://www.gamefromscratch.com/page/Complete-Blender-Game-Art-Tutorial-From-zero-experience-to-2D-or-3D-game-ready-asset.aspx
http://www.gamefromscratch.com/page/www.gamefromscratch.com/page/Blender-an-Hour-at-a-Time-A-Blender-Video-Tutorial-Series.aspx