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Photo: Bing Ramos, CC BY 2.0 via Wikimedia Commons
An almost cylindrical active volcano with a height of that last erupted in 1917.
Smith Volcano, also known as Mount Babuyan, is a cinder cone on Babuyan Island, the northernmost of the Babuyan group of islands on Luzon Strait, north of the main island of Luzon in the Philippines. The mountain is one of the active volcanoes in the Philippines, which last erupted in 1924.
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Mount Pangasun
The other active volcano in Babuyan Island, it is an massif that last erupted in 1924 and has two craters each measuring between .
An uninhabited islet off the northern coast of Calayan Island visited by game-fishers.
A white-sand beach on the northern side of Calayan Island.
A coastal grotto with a natural pool, accessible only during low tide.
A white-sand beach.
A hilly promontory jutting southwards and ringed by high and rocky cliffs. There is a lighthouse on the site.