Cheonmasan
Cheonmasan () is a mountain in Gyeonggi-do, South Korea. It can be found within the boundaries of the city of Namyangju. Cheonmasan has an elevation of . 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". See also
List of mountains in Korea

Notes

References

Mountains of South Korea
Mountains of Gyeonggi Province
Namyangju