Chill 'n' Char Island
From the Super Mario Wiki
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Chill 'n' Char Island is the fourth world visited in DK: Jungle Climber. Where half of it is a chilly island, it also has a large active volcano with a factory on it, where the King Kruiser IV is kept. This place also has Brambles, waterfalls and rough blizzards. This is the only world with slippery Pegs and Torches that are used by the Kongs to melt large amounts of ice.