The Kono language (Kɔnɔ) is a language spoken in Sierra Leone by the Kono people. The Kono District is situated in the Eastern Province of Sierra Leone and contains 14 chiefdoms, each headed by a Paramount Chief. The language varies slightly between chiefdoms.
Kono distinguishes high tone and low tone on syllables: tone word meaning high 'to mature' low 'rice'
References
Sources Chiefdom Map of Sierra Leone: OCHA Humanitarian Information Centre and Sierra Leone Information Service, 2001. .