The longest hill in the Philippines is referred to as the Chocolate Hills. They get their name from the fact that their green grass turns brown during the dry season.
Longest river in Philippines: Cagayan River
The longest highway in the Philippines is the Pan-Philippine Highway (aka Maharlika Highway).
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Philippines.
Valenzuela
Vikersund, which has the record for world's longest jump.
Sierra Madre
The Philippines
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The agusan river?
Cagayan River
The Philippines has a preamble that consists 75 words which makes it the longest preamble in the world.