Shosen Valley (御岳昇仙峡, mitakeshosenkyo) is one of the best landscape scenery located in Chichibutamakai National Park, Yamanashi. It is also chosen as the Heisei 100 best waters. The valley is about 5km long, and it have many beautiful rocks and waterfalls, including Senga Fall, which is the 100 best waterfalls in Japan. The valley was formed by scoring of Arakawa River. Therefore, there are many unique rocks, walls and tunnels which create the art of nature in this valley.
Tourist Info.
There are free parking and restaurants. The sidewalk of the river is well constracuted.
Access
0. at JR Kofu Staition
1. use local bus to Sengataki, Shosenkyo.
2. walk north (5 min.)
2 hr.
New Wave Samurai Movie. 
映画好き集まれ！ 
Because Shosen valley is located near from Koshu Kaido Road the valley has been very popular tourist spot since Edo period. After Nagata Enuemon built the riverside in Edo period, people started visiting this valley. There is local Soba, called Mitake Soba. This Soba has a history from Edoperiod.
There are many waterfalls, unique rocks and lots of nature in this valley. Also, the most of Japanese birds habit here.
Because it has beautiful Autumn leaves, traffic will be bad on November.