National Route 329 is a national highway of Japan connecting Nago, Okinawa, and Naha, Okinawa, in Japan, with a total length of 78.5 km (48.78 mi). The highway forks in Higashionna where the old 329 goes around the cliffs and the Ishikawa By-pass goes through the cliffs via the Ishikawa Tunnel () and a bridge, all built in the early 1990s.