At Mouzon:

Abbey

Felt Museum

Gate of Burgundy

Close by:

Castle of Sedan

Fort Le Fertée

City of Stenay and the beer museum

Church of Avioth

City of Charleville with La Place Ducale and the museum Arthur Rimbaud

City of Boullion in Belgium with its solid castle and gorgeous valley of Semois

Abbey of Orval

A little further out:

Reims and the champagne

Antique city of Randonnées

Golf Court at Margut ( 15km)

Horse back riding at Douzy ( 6km)