01 / Primeval forest
The Togasawara forest of the Sannokogawa valleywas deemed representative for its grandeur.

A primeval forest of togasawara, a conifer, grows in the Sannokogawa gorge. The tree grows only in parts of Yamato, Kii and Shikoku, and the Cultural Heritage Online explanation calls the forest representative for the grandeur of its stand. It is a national Natural Monument; the tourism association describes a pure stand of 21.67 ha at 450 to 730 m, on slopes too steep to approach easily.
- National Natural Monument, 1929
- 450 to 730 m, 21.67 ha
- Trunks can reach about 30 m long, about 1 m thick

