In Trois arbres, Armand Guillaumin presents a serene landscape dominated by three trees. The colors are vibrant, with rich greens and warm earth tones. The sky is painted in soft blues and whites, suggesting a bright day.

The trees stand tall, their forms contrasting beautifully against the surrounding landscape. The painting is executed in oil on canvas, a common medium for Impressionist artists. Guillaumin's brushwork is loose and expressive, capturing the essence of the scene rather than fine details. The composition is balanced, with the trees positioned strategically to draw the viewer's eye.

The approximate dimensions of the work are 60 x 80 cm. Armand Guillaumin was a key figure in the Impressionist movement, known for his use of color and light. Trois arbres exemplifies his ability to portray nature with a personal touch. An interesting fact about this work is that it reflects Guillaumin's fascination with the play of light on foliage, a theme he explored throughout his career.