| Makidō | |
| Other Name: | 満奇洞 |
| Map: | Japan Okayama Prefecture |
| Relief: | yes |
| Location: | Niimi, Okayama, Japan |
| Coords: | 34.9718°N 133.5834°W |
| Length: | 450 meters |
| Geology: | limestone |
| Access: | public |
| Show Cave: | 1967 |
is one of many limestone caves located in the city of Niimi, in northwestern Okayama Prefecture, Japan.
The cave is said to have been accidentally discovered by a hunter in the Edo Period. It approximately 450 meters in length with a relatively flat elevation. It contains numerous stalactites and a large underground lake.[1] [2] The cave was popularized by the poets Tekkan Yosano and Akiko Yosano in 1929. It was designated an Okayama Prefectural Natural Monument in 1957 and was opened as a show cave. LED lighting was installed in 2015.
The cave was used as a filming location for the 1977 movie "Yatsuhakamura".
The immediate area is only accessible by car or bus, with a short but steep climb to the entrance. It is 30 minutes from the 313 National Highway. Buses leave from JR West Ikura Station and take 38 minutes.