Mavudis Island, also spelled Mabudis, is an uninhabited island of Batanes, the northernmost archipelagic province of the Philippines. It is also known as Ditarem in the native language (meaning "sharp"). It has an elevation of and is around long. The closest islands are A'li Islet, a small uninhabited islet to the west-southwest; and Siayan Island, which is about southwest of Mavudis.
Mavudis should not be confused with Mavulis Island (Y'ami), which lies further north.
See also List of islands of the Philippines
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