Stingray Lands 8k Heightfield Package
Beside the main terrain (16bit) itself, this package contains a collection of masks (16bit) and colormaps (8bit) that allow you to go into very fine detail when giving the landscape character by adding textures and materials.
Pack Preview 1: http://www.tigaer-design.com/projects/stingray/demo1.jpg
Pack Preview 2: http://www.tigaer-design.com/projects/stingray/demo2.jpg
Pack Preview 3: http://www.tigaer-design.com/projects/stingray/demo3.jpg
Pack Preview 4: http://www.tigaer-design.com/projects/stingray/wm4.jpg
Pack Preview 5: http://www.tigaer-design.com/projects/stingray/wm10.jpg
The contents are in *.tiff and *.jpg format with 8192x8192 pixel resolution, aimed at best quality results for your renders. It's best used with Vue or Terragen but can also be used with any other sophisticated 3d package that's out there and able to work with heightmaps. Please check the included readme file for details on that and more specific details on the contents.
If you aren't sure about the quality included in this package, feel free to check my freebies: https://gumroad.com/tigaer