Of the former natural forest where trees were cut down, approx. 1,800 ha which covers its majority has become a natural forest (secondary forest) that regrew after the logging, and the artificial afforestation which is mostly Japanese ceder trees covers approx. 250 ha.
天然林の伐採跡地のうち、大半の面積を占める約1,800haは伐採後再生した天然林（二次林）で、スギを主体とした人工造林の面積は約250haである。