Compared to the Anamushi-toge Pass (north of Mt. Nijo or Futakamiyama) at an altitude of about 150 meters, the Takenouchi-toge Pass (south of Mt. Nijo) was at an altitude of about 300 meters and moreover, the latter is farther to the south by several kilometers).
穴虫峠（二上山の北）は標高約150ｍに対して、竹之内峠（二上山の南）は標高約300ｍ、しかも数km南に遠い。