New environment called “Autumn Mountain Environment” is available at Unity Store. Make sure to check this one out if you

New environment called “Autumn Mountain Environment” is available at Unity Store. Make sure to check this one out if you want to add a piece of Far Cry 4 or Skyrim to your own project.

Features:

• particle effects (fog, birds);
• 25 trees and vegitation prefabs (bushes, flowers, grass, etc);
• 10 rock and stones prefabs;
• custom skybox;

This package contains 2 assets, which you can look at here and there.

For any questions and support you can contact the creators.

Source: Asset Store