In Landscape with hills and a lake, trees in right foreground, Salvator Rosa captures a tranquil scene filled with lush greenery. The painting features rolling hills that gently rise in the background, while a serene lake reflects the sky. On the right, trees stand tall, adding depth and framing the composition.

The colors are rich and earthy, with varying shades of green and blue dominating the palette. The painting is executed in oil on canvas, a medium that allows for vibrant color and texture. Rosa's brushwork is expressive, with visible strokes that create a sense of movement in the foliage. The use of light and shadow enhances the three-dimensionality of the landscape.

Viewers can appreciate the careful attention to detail in the depiction of the trees and the water's surface. Salvator Rosa was known for his landscapes that often blended natural beauty with dramatic elements. This particular work, created in the Romanticism style, reflects his fascination with the sublime aspects of nature. An interesting fact about this painting is that it showcases Rosa's ability to evoke emotion through landscape, a departure from the more traditional, static landscapes of his time.

His works often inspired later Romantic artists who sought to capture the emotional power of nature.