Fragile Fern – Cystopteris fragilis

National Route 22 (国道22号, Kokudō Nijūni-gō) is a national highway connecting Nagoya, Aichi Prefecture, and Gifu, Gifu Prefecture in Japan. The route follows the old Minoji, a 17th-century trade route that connected the Nakasendō and the Tōkaidō.^[2]

• Length: 37.0 kilometers (23.0 mi)
• Origin: Nagoya (originates at junction with Route 1)
• Terminus: Gifu (ends at Junction with Route 21)
• Major cities: Ichinomiya

• From Atsuta-ku, Nagoya (Atsuta Shrine South intersection) to Naka-ku, Nagoya (Nichigin-mae intersection): Route 19
• From Ginan (Ginan IC) to Gifu (Akanabe-Hongo intersection): Routes 21 and 156

• 4 December 1952 - First Class National Highway 22 (from Nagoya to Gifu)
• 1 April 1965 - General National Highway 22 (from Nagoya to Gifu)

• Aichi Prefecture
  • Routes 1 and 247
  • Route 19
  • Route 302
  • Route 155
• Gifu Prefecture
  • Routes 21 and 156
  • Route 157