It is known for archaeological remains of a Longobard necropolis as well a Romanic church and baptistery from the 9th and 10th century AD. Arsago is also known in the international sporting world as the site of World motocross championships which have been taking place since the mid-1980s.
A.S.D. Arsaghese is afootball club based in Arsago Seprio. It was founded in 1935. It is registered with the Italian Football Federation (FIGC) under serial number 3250. The club is known for its distinctive main colors of red and white. Throughout its history, ASD Arsaghese has participated in various regional leagues and tournaments.[3]