Bognanco, population about 250, is a commune in the Province of Verbano-Cusio-Ossola in the Italian region Piedmont, located in an Alpine valley about 120 kilometres (75 mi) northeast of Turin immediately to the west of Domodossola and on the border with Switzerland. Its municipal boundaries extend over an area of 58.1 square kilometres (22.4 sq mi) that ranges in elevation from 380 to 2,713 metres (1,247 to 8,901 ft) above sea-level and borders on the Italian communes of Antrona Schieranco, Crevoladossola, Domodossola, Montescheno and Trasquera, and Zwischbergen in the Swiss canton Valais.