Cheonmasan

Cheonmasan is a mountain in Gyeonggi Province, South Korea. It can be found within the boundaries of the city of Namyangju. Cheonmasan has an elevation of 810.2 m.

Etymology
Taejo of Joseon reportedly remarked about the mountain: "This mountain is so high, if its hand was just a stone taller it could touch the sky". Hence its name became "Cheonmasan", meaning "mountain that can touch the sky".