The Tosa River is a prominent river located in Kochi Prefecture, Japan. It flows for approximately 196 kilometers, making it one of the longest rivers in the country. The river originates from the Kochi Mountains and eventually empties into the Pacific Ocean. It is known for its clear waters and beautiful scenery, attracting both locals and tourists. The Tosa River is significant for its ecological diversity and recreational activities. It supports various wildlife and is popular for activities such as fishing, kayaking, and river cruises. The river also plays a vital role in the local economy, providing water for agriculture and industry.