| Yuchang Tunnel | |
| Official Name: | 玉長隧道 |
| Location: | Hualien County and Taitung County in Taiwan |
| Route: | Yuchang Highway |
| Crosses: | Hai'an Range |
| Startwork: | 1 September 2001 |
| Opened: | 16 June 2007 |
| Length: | 2,660 m |
| Lanes: | 2 |
The Yuchang Tunnel is a 26603NaN3 long tunnel located in east Taiwan. The tunnel leads through the Coastal Range.[1] 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°W, and the eastern entrance is at 23.2644°N 121.387°W
It is started construction on 1 September 2001 and was opened to the public on 16 June 2007.