Musée William Thornley
Musée William Thornley : Une collection unique en France
Fitted out in attic restored by the castle of Grouchy, the Space William Thornley extends on 300m. He(it) groups the biggest collection never gathered this day of this post-impressionist painter. The collection consists of 190 works (drawings, lithographies, watercolors and oil paints) of the painter. You can also admire the works of big impressionists having found the inspiration to Osny and for whom Thornley worked, as of Véron, Pissarro, Degas, Veyrassat, Monet and Eugène Duc.
All year round
Opening hours on Wednesday and Thursday between 2 pm and 5 pm. On Saturday and Sunday between 2 pm and 6 pm.
Free of charge.