From the Super Mario Wiki
The world consists of widespread plains planted with deciduous trees. A meandering dirt road crosses the area, which Dixie Kong and Kiddy Kong use to travel between location. The world boss is Bleak, who is fought in the northernmost part of the map, in the snowy mountain range. A river runs through the plains, demarcating the southern and western borders of the area, and flows beneath a few bridges an into a large body of water. Primate Plains also has a water mill, where one of the levels takes place.
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