The Yuchang Tunnel (Chinese: 玉長隧道; pinyin: Yùzhǎng Suìdào) is a 2,660 m (1.653 mi) long tunnel located in east Taiwan. The tunnel through the Coastal Range. The tunnel is part of the Yuchang Highway, which links Hualien County and Taitung County. The western entrance of the tunnel is located at (23.2687°N 121.364°E).