The Sesia River is a river located in northern Italy, primarily flowing through the Piedmont region. It originates from the Monte Rosa massif and travels approximately 138 kilometers before joining the Po River. The river is known for its scenic beauty and is a popular destination for outdoor activities such as hiking and fishing. The Sesia River is also significant for its ecological diversity, supporting various species of fish and wildlife. Its waters are characterized by a mix of clear streams and gentle rapids, making it an attractive spot for white-water rafting and kayaking enthusiasts.