In Ansei 5 (1858) of the late Edo period, Kurimoto Seibee, who was the Hakodate Magistrate Group Head at the time, ordered red pine seeds from Sado, and large Akamatsu Kaido's photo became seedlings were planted around Goryokaku.
After that, in Meiji 9 (1876), commemorating Emperor Meiji's imperial visit to the Nanae Industrial Promotion Section Test Site, a considerable number were transplanted along Sapporo Main Road (National Route 5).
This is the beginning of the Red Pine Avenue.
In Shōwa 61 (1986), it was selected as one of "Japan's 100 Best Roads", and in Heisei 2 (1990), it was named "Akamatsu Kaido" in a nickname solicitation for Road Day.
In Heisei 8 (1996), it was also concurrently selected as a "Historical National Route", indicating that it is a road with historical and cultural value, having been used as a historically important main road.
Akamatsu Kaido is 14.3 kilometers from Kikyō-chō, Hakodate City to Tōgeshita, Nanae Town, but due to development before protection like the present was carried out, the number has become few, and the section of approximately 2 kilometers from Ōnakayama to Narukawa-chō in Nanae Town is where the number of preserved trees is many and is the most beautiful.
From early summer to autumn is the most