The patroness of Brissogne is Saint Catherine of Alexandria, celebrated on 25 November. The parish church dedicated to her stands in the hamlet of Primaz.
The town is dominated by the ruins of Brissogne castle, one of the most significant monuments of the small Aosta Valley municipality, together with the Les Îles nature reserve and the peaks of Mont Père Laurent and Punta di Laures that characterise its mountainous territory.