Sejong is home to 61 named mountains. The highest is Unjusan at 459 m.
There are 61 named mountains in Sejong. The highest and the most prominent mountain is Unjusan.

Yes. Sejong has 61 named mountains. The highest is Unjusan at 459 m.
The highest mountain in Sejong is Unjusan, at 459 m.
Sejong has 61 named mountains.
