Oikawadani Dam

 (老川谷ダム) is one of the locations that Seto must progress through in

Enemies

 * Crows
 * Night Owl
 * Red Kakurenbo Ghost
 * Marionette
 * Demolition Crane

Items

 * Compass
 * Glittering Stone
 * Secret Map
 * Cookie Tin
 * Worn-out Collar
 * Pendant
 * High-Beam Flashlight