This little tiger keelback (yamakagashi) was sitting in a bush next to the path and allowed me to get close enough for a few good photos.

Rhabdophis tigrinusRhabdophis tigrinusRhabdophis tigrinus

Reptilia: Colubridae: Rhabdophis tigrinus
Tiger Keelback or Japanese Water Snake = yamakagashi

Location: In sweet chestnut grove next to Munakata Common (Google map)