Ravi rä´vē [key], one of the five rivers of the Punjab, 475 mi (764 km) long, rising in the Himalayas, NW India, and flowing generally W into Pakistan, past Lahore, to join the Chenab River, NE Pakistan. Its waters are used extensively for irrigation and were contested by India and Pakistan until 1960, when a treaty on the use of the Indus River waters was signed.

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