A single, broad tree trunk rises along the left edge, anchoring the foreground of Montagne Saint-Victoire (The Arc Valley). Above, thick pine branches stretch across the upper part of the scene, their needles rendered in loose, blue-green washes and soft, rounded forms. The mountain itself, Montagne Saint-Victoire, dominates the center distance, its pale, angular silhouette outlined in faint blue and violet lines against a luminous sky.

Below the mountain, the Arc Valley unfolds in a patchwork of fields, hedges, and scattered buildings, their shapes suggested with delicate, almost transparent touches of color. A few small houses or farm structures appear in the lower left and right, their walls and roofs barely defined by subtle washes of ochre and green. The landscape is bathed in a gentle, diffuse light, with no strong shadows, giving the scene an airy, open atmosphere.

Brushstrokes are loose and fluid, with visible outlines and areas where the canvas shows through, especially in the paler parts of the valley and sky. Hints of blue, green, and ochre create a cool, restrained palette, while the thin application of paint leaves much of the surface bare, lending the work a sense of immediacy and freshness. In the right distance, a series of repeating arches suggests a viaduct or aqueduct, stretching across the valley and adding a rhythmic architectural element.

Small, sketchy trees and shrubs dot the foreground and midground, their forms simplified to a few strokes or washes. Paul Cézanne is named as the artist of this work. The title identifies the subject as Montagne Saint-Victoire and the Arc Valley, both visible in the landscape.