valley diorama terrain 3d model

Stylized fantasy valley diorama terrain for a strategy game map. Large flat grassy buildable area in the center (100x100 meters). The center must be clear and empty with grass only (totally flat and horizontal) Also buildable area can be crossed by a small river. Surrounding the area are tall rocky mountains forming a natural valley. Some mountain slopes have small pine forest clusters. One mountain has a large waterfall flowing down into a river. The river runs along the edge of the central area forming a natural border of the village land. Terrain includes grass fields, rocky cliffs, scattered trees and small forest patches. Clean readable RTS terrain layout, optimized game environment. Isometric strategy game style.