From a high terrace shaded by large trees at the right, the view opens across the River Thames toward the distant arches of Westminster Bridge. The foreground terrace is populated by small groups of figures, some walking, some standing, and others appearing to converse or watch the river below. Stone balustrades and urns line the terrace, casting shadows on the pale surface and leading the eye toward the riverbank.

Below the terrace, a dense cluster of boats is moored along the near bank, with several more boats of various sizes and types scattered across the wide expanse of the Thames. Some boats have sails, while others are rowed or poled by figures whose forms are visible but whose faces and gestures are rendered in small, precise touches. The river stretches into the distance, reflecting the light of the sky and broken by the dark shapes of boats and the long horizontal line of Westminster Bridge.

The left side of the canvas is dominated by a soft, peach-colored sky that gradually transitions to blue as it moves to the right, suggesting changing light across the scene. The water’s surface is subtly varied with reflections and ripples, created with fine, almost invisible brushwork. Trees at the far right are painted with delicate, feathery strokes, their leaves catching the light against the sky.

Figures on the terrace wear costumes in bright colors such as yellow, blue, and red, which stand out against the muted tones of the stone and greenery. The composition is carefully structured, with the diagonal of the terrace leading toward the river and the distant bridge, creating a sense of depth and movement. The Thames from the Terrace of Somerset House, Looking toward Westminster was created by Giovanni Antonio Canal, known as Canaletto, in the 1750s.