The tunnel is one of the most significant work of the remnants of the national railway system that connected the island during the first half of the twentieth century.
[1] The American Railroad Co. of Puerto Rico began construction of the tunnel around 1904 during the expansion of the northern line towards the west of the island.
The tunnel connected the towns of Quebradillas and Isabela on the Guajataca River canyon.
[3] The tunnel leads to "Guajataca beach" known for its white sand, raging surf, and dangerous turbulent waters.
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