Class B river that flows into Tokyo Bay as it travels through Setagaya, Meguro, and Shinagawa wards. In the old days, cargo boats used to crowd the river to transport commodities (shina), which is why the river came to be called "Shinagawa." It is said that eventually, "Shinagawa" became the name for the area near the river mouth. In the illustration drawn during the Edo period, the upper stream of Meguro river is recorded as "Koritorigawa (river to remove filth), which reminds us of the old custom of Edo residents to cleanse themselves in Meguro river before paying homage to the temple of Meguro Fudo.Meguro river is also known for its row of cherry trees. Approximately 800 Yoshino cherry trees blossom in spring. During the peak season, fallen cherry petals cover the promenade along the river like a pink carpet, and many visitors come to admire the flowers. Flower viewing at night is also highly recommended as the dimly lit paper lanterns create a romantic atmosphere.