The
Huatung Valley or
Hualien-Taitung Valley , also known as
East Rift Valley or the
Longitudinal Valley, is a long and narrow valley located at the between
Chungyang Range and
Haian Range. It is also recognized as a plain area which stretches for about 180 kilometers near the eastern coast of
Taiwan, passes from the
Hualien City at the north to the
Taitung City at the south. It was called
Nakasendo or
Nakasendo heiya (Nakasendo Plain) during
era of Japanese rule.