This paper analyses the local dialects of Goljak, Rudinka and Selište, hamlets in Donji Kosinj, which belong to the Middle-Chakavian dialect. The analyzed local dialects have not been dialectologically researched so far. Research was conducted by using a questionnaire, as well as by recording free speech. Examinees are elderly and they have spent their lifetime in the examined area. As the research has been carried out, it can be claimed that Goljak, Rudinka and Selište, according to their phonological and morphological features, belong to the MiddleChakavian dialect of the Chakavian dialect. The most important linguistic features of Goljak, Rudinka and Selište are Ikavian-Ekavian reflex of jat, closing vowels in front of nasal, šćakavism, the absence of phoneme x and preservation of final l. Among the morphological features, the most prominent ones are: the zero suffix and the suffixes -i, -ov/-ev in the genitive plural of feminine and masculine nouns and the suffixes -du and -u in the formation of the present tense of the third person plural.