Прямое действие
On October 15, 2005 Koyamada repeated "Action Directe" (9a) in the Frankenjura, Germany and proclaimed it harder than any other route that he has climbed. Dai continues to push the limits of hard rock climbing. On April 4, 2017 at the age of 40 Koyamada climbed a new personal limit with the first ascent of Nayuta 8C+(V16) in Gero, Japan.