Ōbako (大函), meaning Big Box, is a rock formation that is known for its unusual vertical-ness with a stream in between. Streams don't usually form this way, and neither do rock formations, but this one somehow did form this way, which makes it slightly interesting.
taken on 8 August 2017, 12:07
location: Ōbako in Sōunkyō, Hokkaidō, Japan