From Kawaguchi, you take a local bus to Go-gome ( Fifth Station ) on the north face, to start the five-hour hike to the summit.
Hiking to the summit will take five hours. 
mnli hypothesis: Hiking to the summit will take five hours.  premise: From Kawaguchi, you take a local bus to Go-gome ( Fifth Station ) on the north face, to start the five-hour hike to the summit.