In an annex building of the Abbey, the collections of the thematic museum of the Darts are exhibited. Hasnon is the birthplace and headquarters of the manufacture of darts. This game of skill was very popular in France and targets could be found in all the taverns. Then, it spread to Belgium and England. It reached its peak in the years 1936 - 1940. Its manufacture totaled a production of 100,000 darts per day. The Second World War announced its decline, the English then began to manufacture the targets and arrows themselves... Also to be discovered within the museum: a collection of ecclesiastical clothing, a return in pictures on the production of linen, the reconstruction of a tavern and a priest's garden, ... Only groups welcome on request at 06 17 75 31 55.