Sudakai Dam
	Starting point Distance Address Phone Number Open Closed Admission (@Oct. 2001)	Right or left bank 282Km point of the Tonegawa River 0m Fujiwara Minakami Tone-County Gunma-pref. -------- -------- -------- Free
The Sudakai Dam is the first dam in Japan which has underground generating station. The height of dam is 72meters, but it has the height of 40 meters under the ground, and that brings it higher power. You can see the underground generating station at the restricted time.
.		.You must climb the hill from the bottom to here at a stretch. You will see the lake Dogen.