# hitValidTerrain

> Read only. True if the mouse is over a valid Terrain object; otherwise false.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.TerrainTools](/engine/6000.6/script-reference/unityeditor/terraintools.md)
* **Assembly:** UnityEditor

```csharp
bool hitValidTerrain { get; }
```