Ol’ Grass Hills is set of sim surroundings, every single season includes 3 pieces: full Sim surrounding, Corner piece and Edge piece.
Ol’ Grass Hills can be set as surrounding for sim filled with terrain, or for sim surrounded by water – see pictures. Set up item in coordinates 128,128,50 as terrain surroundings, or 128,128,45 for more sunken surroundings.
Complete list of surroundings features is available at Feature page.
Seasons of Ol’ Grass Hills:
Samples of use: