The Horses of Marly (Chevaux de Marly) and the Cour Marly Sculptures
Monumental sculpture group and architectural ensemble; marble originals on stone plinths. • Guillaume Coustou the Elder (central Marly Horses); surrounding works by Antoine Coysevox, Nicolas Coustou, and other French Academy masters.

Style & Movement
French Baroque and Late Baroque (Rococo transition), highly characteristic of the 'Style Louis XV'.
Medium & Technique
Carrara marble, carved using traditional subtractive sculpture techniques, including high relief and sculpture in the round.
Creation Period
Primary focus: 1739–1745; surrounding works span late 17th to mid-18th century.
Dimensions & Format
Monumental scale; the central horses are approximately 3.4 meters (11 feet) in height; displayed in an indoor courtyard (Cour Marly) under a glass roof.
Subject Description
The central masterpieces depict 'Grooms Taming Wild Horses', symbolizing the triumph of human will over raw nature. The surrounding courtyard includes river gods (Sein, Marne), mythological figures (Mercury, Fame), and allegorical groups commissioned for the Château de Marly.
Condition & Value Assessment
Condition Assessment
Excellent; well-preserved through professional indoor museum housing and rigorous conservation of the marble surfaces.
Estimated Market Value
Inestimable. As National Treasures of France and part of the Louvre’s permanent collection, they are considered priceless cultural heritage.
Auction Estimate
N/A (National Property of France); if sold privately, individual groups would potentially exceed $50,000,000.
Provenance History
Commissioned for the watering pond (Abreuvoir) of the Château de Marly; moved to the Place de la Concorde in 1794; moved to the Louvre for preservation in 1984.
Art Historical Significance
Represent some of the greatest achievements of French 18th-century sculpture; they mark a move away from the rigid classicism of Louis XIV toward the more dynamic, emotive style of the early Enlightenment.
Notable Features
The Cour Marly itself is a notable feature; the glass roof is designed by I.M. Pei, creating a 'plein-air' light effect that mimics the artworks' original outdoor context.
Condition Issues
Historical erosion due to two centuries of outdoor exposure (acid rain, soot); now stabilized. Minor micro-cracks and surface crystallization consistent with aged marble.
Conservation Recommendations
Continued climate control (humidity and temperature) within the Cour Marly; routine professional dusting; periodic non-invasive laser cleaning if surface deposits accumulate.