In El Parnaso, Nicolas Poussin presents a vibrant scene filled with classical figures. The painting features a gathering of poets and muses, surrounded by lush greenery and a serene sky. Rich colors dominate the composition, with deep blues and greens contrasting with warm skin tones.

The figures are arranged in a harmonious manner, reflecting the ideals of classical beauty. The painting is executed in oil on canvas, a popular medium during the Baroque period. Poussin's meticulous attention to detail is evident in the intricate drapery of the figures and the naturalistic depiction of the landscape. The dimensions of the work are approximately 120 x 150 cm, making it a significant piece within the gallery.

The use of light and shadow enhances the three-dimensionality of the figures. Nicolas Poussin was a leading figure in the Baroque movement, known for his focus on classical themes and compositions. El Parnaso is particularly interesting as it reflects Poussin's admiration for ancient Greek and Roman culture. This work was created around 1660 and showcases his ability to blend narrative with a structured composition.

Poussin's influence can be seen in the works of later artists who sought to emulate his classical ideals.