밤실 마을은 밤나무가 많이 자생하고 있다고 하여 붙은 이름인데, 한자로 표기하면서 율(栗)자와 곡(谷)자를 취하여 율곡이라 한다.
The name of the village of Bamsil is said to have a lot of self-begotten chestnut trees, and it is called Yulgok by taking the characters Yul and Gok in Chinese characters.