The 오타와 강 (Ottawa River) is a major waterway in Canada, flowing for about 1,271 kilometers. It serves as a natural border between the provinces of 온타리오 (Ontario) and 퀘벡 (Quebec). The river is known for its scenic beauty and recreational activities, including kayaking, canoeing, and fishing. The river originates from the 오타와 호수 (Ottawa Lake) in 온타리오 and empties into the 세인트로렌스 강 (St. Lawrence River) near 몬트리올 (Montreal). It has played a significant role in the history and development of the region, serving as a vital transportation route for trade and settlement.