After crossing Luyeh River the line reaches Shanli, and then passes through seven tunnels in quick succession. The Shanli Tunnels are reminiscent of the strings of tunnels along the Mountain Line in west Taiwan.
從鹿野溪大橋抵達山里站，就會碰到「山里隧道群」，一共有七座，洞與洞之間的距離極短，可以媲美山線的隧道群。