Located in the heart of the charming village of Guiry-en-Vexin, in the picturesque French Vexin region, the Musée archéologique du Val d’Oise invites you to discover the hidden treasures of the area. Spread over two floors, the museum offers a true journey through time, from the geological landscapes of the Cretaceous period to the mid-20th century. Here, the remains of past civilizations come to life, revealing the secrets of our ancestors and their everyday lives. Carefully selected, the collections guide visitors through 90 million years of natural evolution and human history, with a unique focus on local geology and archaeology.