Ornavasso borders the following municipalities: Anzola d'Ossola, Gravellona Toce, Mergozzo, Premosello Chiovenda. In the area there are two necropolises of the Lepontii-Celtic culture, dating to 2nd century BC – 1st century AD.
Ornavasso borders the following municipalities: Anzola d'Ossola, Gravellona Toce, Mergozzo, and Premosello Chiovenda. The area has two ancient burial grounds of the Lepontii-Celtic culture, dating from the 2nd century BC to the 1st century AD.