The Mamprusi language is spoken in a town that lies on the main road from Bolgatanga to where?
Mamprusi language: Mamprusi (autonym "Mampruli," also "Mampelle, Ŋmampulli)" is a Gur language spoken in northern Ghana by the Mamprusi people. Mamprusi language:  The Mamprusi language is spoken in a broad belt across the northern parts of the Northern Region of Ghana, stretching west to east from Yizeesi to Nakpanduri and centred on the towns of Gambaga/Nalerigu and Walewale.
i don't know