The Cagayan River, also known as the Río Grande de Cagayán, is the longest river and the largest river by discharge volume of water in the Philippines. It has a total length of approximately 505 kilometres (314 mi) and a drainage basin covering 27,753 square kilometres (10,715 sq mi). It is located in the Cagayan Valley region in northeastern part of Luzon Island and traverses the provinces of Nueva Vizcaya, Quirino, Isabela and Cagayan.
Ilocos Sur, officially the Province of Ilocos Sur, is a province in the Philippines located in the Ilocos Region in Luzon. Located on the mouth of the Mestizo River is the capital of Vigan while Candon is the most-populous city. Ilocos Sur is bordered by Ilocos Norte and Abra to the north, Mountain Province to the east, La Union and Benguet to the south and the South China Sea to the west.
The Cordillera Administrative Region, also known as the Cordillera Region and Cordillera, is an administrative region in the Philippines, situated within the island of Luzon. It is the only landlocked region in the insular country, bordered by the Ilocos Region to the west and southwest, and by the Cagayan Valley Region to the north, east, and southeast. It is the least populous region in the Philippines, with a population less than that of the city of Manila.
The Ilocos Region, designated as Region I, is an administrative region of the Philippines. Located in the northwestern section of Luzon, it is bordered by the Cordillera Administrative Region to the east, the Cagayan Valley to the northeast and southeast, Central Luzon to the south, and the South China Sea to the west.
The Cordillera Central or Cordillera Range is a massive mountain range 320 kilometres (200 mi) long north–south and 118 kilometres (73 mi) east-west situated in the north-central part of the island of Luzon, in the Philippines. The mountain range encompasses all provinces of the Cordillera Administrative Region, as well as portions of eastern Ilocos Norte, eastern Ilocos Sur, eastern La Union, northeastern Pangasinan, western Nueva Vizcaya, and western Cagayan.
Vigan, officially the City of Vigan, is a 4th class component city and capital of the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 53,935 people.
Pagudpud, officially the Municipality of Pagudpud, is a 4th class municipality in the province of Ilocos Norte, Philippines. According to the 2020 census, it has a population of 25,098 people.
Santa, officially the Municipality of Santa, is a 4th class municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 14,992 people.
Santa Maria, officially the Municipality of Santa Maria, is a 3rd class municipality in the province of Ilocos Sur, Philippines. According to the 2020 census, it has a population of 30,006 people.
Pugo, officially the Municipality of Pugo, is a 5th class municipality in the province of La Union, Philippines. According to the 2020 census, it has a population of 19,337 people.
The Kalbario–Patapat Natural Park is a protected area in the Philippines, located on the Patapat Mountains in the municipalities of Pagudpud and Adams in northern Ilocos Norte province.
Radial Road 3 (R-3), informally known as the R-3 Road, is a network of roads and bridges that all together form the third arterial road of Metro Manila in the Philippines. It connects the cities of Manila, Makati, Pasay, Taguig, Parañaque, and Muntinlupa.
The Bangui Wind Farm is a wind farm in Bangui, Ilocos Norte, Philippines. The wind farm uses 20 units of 70-meter (230 ft) high Vestas V82 1.65 MW wind turbines, arranged in a single row stretching along a 9-kilometer (5.6 mi) shoreline of Bangui Bay, facing the South China Sea.
The Candaba Viaduct, also known as the Pulilan–Apalit Bridge and the Candaba Pampanga Viaduct, is a 5-kilometer (3.1 mi) viaduct carrying the North Luzon Expressway (NLEX) across the Candaba Swamp in the provinces of Pampanga and Bulacan, Philippines. It consists of six lanes. It was the longest bridge in the Philippines upon its opening in 1976 until it was surpassed in 2021 by the 8.9 km Cebu–Cordova Link Expressway (CCLEX), making the viaduct the second longest bridge in the country since then. The viaduct was designed by Aas-Jakobsen and built by Construction Development Corporation of the Philippines as part of construction of the whole NLEX.
Pasaleng Bay, also Paselang Bay, is a bay on the north coast of Luzon island in the Philippines. It got its name from the border village of the same name located in the town of Pagudpud in the province of Ilocos Norte.
Alabang–Zapote Road is a four-lane national road which travels east–west through the southern limits of Metro Manila, Philippines. It runs parallel to Dr. Santos Avenue in the north and is named for the two barangays that it links: Alabang in the city of Muntinlupa and Zapote in both the cities of Bacoor and Las Piñas.
The Cebu–Cordova Link Expressway (CCLEX), also known as the Cebu–Cordova Bridge and the Third Cebu–Mactan Bridge, is an 8.9-kilometer (5.5 mi) toll bridge expressway in Metro Cebu, Philippines. The bridge connects the South Road Properties in Cebu City in mainland Cebu, and Cordova, on Mactan island. Crossing the Mactan Channel, it is the third road link between Cebu and Mactan islands, and the first between Cebu City and Cordova. It is the longest sea-crossing bridge in the Philippines, surpassing the 2-kilometer (1.2 mi) San Juanico Bridge between Samar and Leyte, as well as Marcelo Fernan Bridge as the longest cable-stayed bridge in the Philippines. It also surpassed the 5-kilometer (3.1 mi) Candaba Viaduct of North Luzon Expressway (NLEX) connecting the provinces of Pampanga and Bulacan for being the longest bridge in the Philippines upon its completion on October 5, 2021.
National Route 1 (N1) is a primary national route that forms part of the Philippine highway network, running from Luzon to Mindanao. Except for a 19-kilometer (12 mi) gap in Metro Manila and ferry connections, the highway is generally continuous. Most sections of N1 forms the Pan-Philippine Highway except for sections bypassed by expressways.
The Bataan–Cavite Interlink Bridge, also known as the Manila Bay Bridge is a planned bridge which will cross Manila Bay and connect the provinces of Bataan and Cavite in the Philippines. Construction is expected to begin in 2024.
AH 26 (N1) (Manila North Road)
