Three Tunnels Bicycle Trail — "Three Tunnels" is the Taiwanese Hokkien pronunciation for "three mountain caves." It got its name because three railway tunnels (Yuanshan No. 1, No. 2, and No. 3 Tunnels) are connected together.

Three Tunnels Bicycle Trail. "Three Tunnels" is the Taiwanese Hokkien pronunciation for "three mountain caves." It got its name because three railway tunnels (Yuanshan No. 1, No. 2, and No. 3 Tunnels) are connected together. "Three Tunnels" is the Taiwanese Hokkien pronunciation for "three mountain caves." It got its name because three railway tunnels (Yuanshan No. 1, No. 2, and No. 3 Tunnels) are connected together, making it a newly emerging bicycle trail in Hou Tong. Address: 新北市瑞芳區猴硐柴寮路北側外圍(福住隧道旁) Hours: 00:00–23:59 New Taipei