Kokemäenjoki is a river located in southwestern Finland. It flows through several municipalities, including Tampere and Pori, and is one of the longest rivers in the country, measuring approximately 120 kilometers in length. The river originates from Lake Pyhäjärvi and empties into the Gulf of Bothnia. The Kokemäenjoki river basin is significant for its natural beauty and biodiversity. It supports various ecosystems and is home to numerous fish species, making it a popular destination for fishing and recreational activities. The river also plays a vital role in local history and culture, serving as a transportation route and a source of hydroelectric power.