The patron of Roaschia is San Bernardo, celebrated on 20 August.
Among the village's most important events is the Fiera Interprovinciale della Pecora Roaschina, held on the third Sunday of May since 1994 and devoted to promoting local dairy products (Brus, toma, nostrale). The municipality holds the Chiesa di San Dalmazzo and part of the Parco Naturale delle Alpi Marittime.