구실잣밤나무 적지에 대한 분포는 붉가시나무 분포와 비슷하게 분포하였지만, 내륙 지방까지 분포하였으며 연간 최저와 최고기온의 차이가 비교적 심한 지역으로 나타났다.
Although the distribution in the area of the cypress chestnut tree was similar to that of the red chestnut tree, it was also distributed to inland regions, and the difference between the annual minimum and maximum temperature was relatively severe.