At that time, induced by the drastic infrastructure development and urban congestion, negative impacts of the rapid economic growth, including four major pollution diseases, anticipated to become more serious, and therefore, when this project proposed the reevaluation of the nature as a space of relaxation, it gained the public overwhelming support, and since then, following this example, many nature trails has been constructed.
各地方のインフラ整備や都市の過密化が急激に進められ、四大公害病等の高度経済成長の影の面が顕在化してきていた当時、憩いの場としての自然を見直そうというこの構想は、国民から絶大な支持を得、以後、これを習って数々の自然歩道が整備された。