Cossila is a neighbourhood of Biella, in Piedmont, northern Italt.OverviewIt is a borough located some km north-west from the centre of Biella, along the road leading to the sanctuary of Oropa. From its elongated shape came the Piedmontese saying Cosila, longa e sotila (in English: Cossila, long and thin).Its southernmost part is called Cossila San Grato and the northernmost one Cossila San Giovanni.HistorySince 1940 Cossila was a separate comune (municipality), which also encompassed the village of Favaro.