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Picture of the main street leading into the mountain village of Logba Tota in the Volta region of Ghana. The old (now derelict) Chiefs palace is visible on the skyline.

The Ghana Togo Mountain languages, formerly called Togorestsprachen (Togo Remnant languages) and Central Togo languages, form a grouping of about fourteen languages spoken in the mountains of the Ghana-Togo borderland. They are part of the Kwa subgrouping of the Volta-Congo branch of Niger-Congo.

Bernhard Struck, in 1912, was the first to group together these languages under the label Semibantu von Mitteltogo. Westermann, in his classification of the then Sudanic languages, adopted the grouping but called it Togorestsprachen.^[1] This was mainly a loose geographical-typological grouping based on the elaborate noun class systems of the languages; lack of comparative data prevented a more definitive phylogenetic classification. Bernd Heine (1968) carried out comparative research among the group, establishing a basic division between Ka-Togo and Na-Togo based on the word for 'flesh' in the languages. Dakubu and Ford (1988) renamed this cluster the Central Togo languages, a term still used by some (e.g. Blench 2001); since the mid-90s, the term Ghana Togo Mountain languages has become more common. No comparative study of the languages has appeared in print since Heine (1968); Blench (unpublished) presented a tentative reclassification of the group in 2001, noting the internal diversity of the grouping. It is still unclear whether the grouping forms a branch on its own within Kwa.^[2]

A much noted characteristic of these languages is their typical Niger-Congo noun class system, since in many surrounding languages only remnants of such a system are found. All Ghana Togo Mountain languages are tonal and most have a nine or ten vowel system employing ATR vowel harmony. Both Ewe and Twi, the dominant regional languages, have exerted considerable influence on many GTM languages.

• Adele
• Ahlo
• Akpafu-Lolobi
• Animere
• Avatime
• Basila
• Bowili
• Akebu
• Kposo
• Lelemi
• Likpe
• Logba
• Nyangbo-Tafi
• Santrokofi

• Blench, Roger (2001). Comparative Central Togo: What have we learnt since Heine? (paper presented at the 32nd Annual Conference on African Linguistics and subsequently revised), 39p.
• Funke, E. (1920) ' Original-Texte aus den Klassensprachen in Mittel-Togo' , Zeitschrift für Eingeborenen-Sprachen, 10, 261-313.
• Heine, Bernd (1968) Die Verbreitung und Gliedering der Togorestsprachen (Kölner Beiträge zur Afrikanistik vol. 1). Köln: Druckerei Wienand.
• Kropp Dakubu, M.E. & K.C. Ford (1988) 'The Central Togo Languages'. In: The Languages of Ghana, M.E. Kropp-Dakubu (ed.), 119–153. London: Kegan Paul International.
• Plehn, Rudolf (1899) 'Beiträge zur Völkerkunde des Togo-Gebietes', in Mittheilungen des Seminars für Orientalische Sprachen, 2, part III, 87—124.
• Seidel, A., (1898) 'Beiträge zur Kenntnis der Sprachen in Togo. Aufgrund der von Dr. Rudolf Plehn und anderen gesammelten Materialien bearbeitet'. Zeitschrift für Afrikanische und Oceanische Sprachen, 4, 201-286

Seidel treats Avatime (203-218), Logba (218-227), Nyangbo-Tafi (227-229), Nkunya (230-234), Bórada (235-238), Boviri (239-242), Akpafu (242-246), 'Santrokofi' (246-250), Likpe (250-254), Axolo (254-257), Akposo (257-264), Kebu (264-267), Atakpame (267-272), the Fetischsprachen Agu (273-274), Gbelle/Muatse (275-286), and the extinct Boro (286).

• Struck, Bernhard (1912) 'Einige Sudan-Wortstämme', Zeitschrift für Kolonialsprachen, 2/3, 2/4.
• Westermann, Diedrich Hermann (1935) 'Charakter und Einteilung der Sudansprachen', Africa, 8, 2, 129-148.

• The Southern Ghana-Togo Mountain Groups: A description of their languages and cultural heritage. (CNWS research project).
• Ghana Togo Mountain languages home page