In La Cathédrale de Rouen, Gustave Loiseau presents a striking view of the Rouen Cathedral. The painting is filled with vibrant colors, showcasing the intricate details of the architecture. The sky is painted in soft blues and whites, contrasting beautifully with the warm tones of the cathedral.

The overall composition invites the viewer to appreciate both the grandeur and the delicate features of this iconic structure. The painting is executed in oil on canvas, a medium that allows for rich color application and texture. Loiseau employs a Post-Impressionist style, characterized by bold brush strokes and a focus on light and color. The dimensions are approximately 65 x 81 cm, making it a substantial piece that commands attention.

The use of light in the painting highlights the cathedral's façade, creating a dynamic interplay between shadow and illumination. Gustave Loiseau was part of the Post-Impressionist movement, which sought to capture the essence of a scene rather than its exact details. This work, painted around the early 1900s, reflects his fascination with the changing effects of light on architecture. An interesting fact about this painting is that it showcases Loiseau's ability to blend realism with impressionistic techniques, making it a notable example of his artistic evolution.