page_title: Amburayan River
hierarchical_section_title: Amburayan River
caption_attribution_description: English: August 19, 1991 La Union Welcome Arch, marker and Sign and Barangay Ipet Welcome Arch, of Sudipen, La Union [1], Highway Boundary blue sign of Ilocos Sur and La Union Engineering Districts, KM 312+551, separating it from neighbor Tagudin, Ilocos Sur amid Inang's Roasted Chicken in Villa d'El-Lita Hotel, Resort and Restaurant to the historic Amburayan Bridge, Sudipen, La Union Bridge, the longest bridge in Region 1, connecting the provinces of La Union and Ilocos gateway to Ilocos Sur, a 535-meter truss bridge crossing the historic Amburayan River, the biggest river in Ilocos.
context_page_description: Amburayan River is a river in the northeastern portion of island of Luzon in the Philippines. It originates from the Cordillera mountains and traverses the provinces of Benguet, La Union, and Ilocos Sur, where it empties into the South China Sea.
  The river serves as the boundary between the provinces of Ilocos Sur and La Union.
context_section_description: Amburayan River is a river in the northeastern portion of island of Luzon in the Philippines. It originates from the Cordillera mountains and traverses the provinces of Benguet, La Union, and Ilocos Sur, where it empties into the South China Sea.
  The river serves as the boundary between the provinces of Ilocos Sur and La Union.
caption: View from the Amburayan Bridge along Manila North Road
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