# Sharpen Peaks Tool Use the Sharpen Peaks Tool to sharpen peaks and flatten flat areas of the Terrain. ![](images/2-22-Sharpen-03.png) Select a Terrain tile to bring up the Terrain Inspector. In the Terrain Inspector, click the **Paint Terrain** icon, and select **Effects** > **Sharpen Peaks** from the list of Terrain tools. ![](images/2-22-Sharpen-01.png) ## Parameters ![](images/2-22-Sharpen-02.png) | **Property** | **Description** | | ------------- | ------------------------------------------------------------ | | **Sharpness** | Controls the sharpness of peaks on a scale of 0 to 1. Values close to 1 make peaks sharper, and values closer to 0 flatten areas. |