Amakuru dukesha RDG avuga ko iyi Pariki ya Nyungwe ifite ubuso bungana na kilometerokare hafi 1000, mu misozi y’agahebuzo yo mu majyepfo y’u Rwanda, Pariki ya Nyungwe ni ishyamba rirusha ayandi ubugari mu mashyamba yo mu misozi mu karere ka Afurika y’Iburasirazuba no hagati; akaba ari nayo yabayeho mbere y’izindi yahereye mu gihe cyiswe icy’Ubutita (Période Glacière). Ni igice gikize mu runyurane, rw’ibimera, ishyamba rigizwe n’amoko arenga 200 y’ibiti, n’urwunge rw’ibiti by’indabyo harimo n’igiti cy’inganzamarumbo lobelia n’izindi zitatse amabara menshi.