In Japan, the natural phenomenon is called koyo or momiji (meaning red leaves). The activity of searching for the most striking shades of leaf is known as Momijigari (red leaf hunting). The autumn leaves has been popular in Japan for centuries and is now a major draw for tourists.

Among all Autumn Leaves festivals in Japan, Fuji Kawaguchiko Autumn Leaves Festival is the most popular autumn event in Japan. The festival takes place at the northern shore of Lake Kawaguchi, one of the Fuji Five Lakes from early to late November every year. Momiji-Tunnel is the festival's highlight, with evening illuminations from sunset until 10pm. There will be food stalls, performances and local specialties offered during the festival.