The Miami Canal, or C-6 Canal, flows from Lake Okeechobee in the U.S. state of Florida to its terminus at the Miami River, which flows through downtown Miami. The canal flows in a south and southeasterly direction for approximately 77 miles, and passes through three counties: Broward, Palm Beach, and Miami-Dade. It was constructed in the early part of …The Miami Canal, or C-6 Canal, flows from Lake Okeechobee in the U.S. state of Florida to its terminus at the Miami River, which flows through downtown Miami. The canal flows in a south and southeasterly direction for approximately 77 miles, and passes through three counties: Broward, Palm Beach, and Miami-Dade. It was constructed in the early part of the 20th century to drain the Everglades Agricultural Area. Removing the canal was proposed as part of the Restoration of the Everglades.