This is a description of the grammatical hierarchy of the Umbu-Ungu dialect of the Kaugel language. The description covers stem to paragraph levels and is presented according to the Tagmemic model. Kaugel (called Gawigl by Wurm, 1982), is spoken by about 80,000 people living in the Western and Southern Highlands Provinces of Papua New Guinea, in an area roughly bordered by the towns of Mt.Hagen, Mendi and Ialibu. The Umbu-Ungu dialect is spoken in the Upper Mendi area of the Mendi District of the Southern Highlands Province, and in the Tambul and Lower Kaugel Districts of the Western Highlands Province. Wurm describes Gawigl (Kaugel) as a sub-group of the Melpa language, of the Hagen sub-family, of the Central Family of the East New Guinea Highlands Stock of the Eastern-Central Trans-New Guinea Phylum of Papuan languages.