1. Take the subway from Ehwa Womans Univ. Subway Station(이대역) and get off at Dongdaemun History & Culture Park Station, Line 2 (동대문역사문화공원역).
2. Transfer to Line 4 at Dongdaemun History & Culture Park(동대문역사문화공원역) and get off at Myeongdong Station (명동역).
3. From Myeongdong Sation exit 3, walk straight to the bus station.
You can take Namsan Sunhwan Shuttle Bus No. 05 to N Seoul Tower.
*Shuttle bus fee: 950won in cash/ 850won with T money
*Interval: Every 15 minutes
Here is the shuttle bus route:
N Seoul Tower-> Namsan Public Library -> Baekbeom Plaza -> Hilton Hotel -> Namdaemun Market Accessory Arcade -> Namdaemun Market -> Entrance to Myeondong-> Teogyero 3-ga Hanok Village, Korea House -> Daehan Cinema -> Teogyero 5-ga -> Teogyero 6-ga -> Gwanghui-dong Crossroads -> Chugnmu Art Hall Jungbu Fire Station -> Sindang-dong Tteokbokki Town -> Sindang-dong Cheongo Station-> Yaksu Station -> Dongguk Univ. Station -> National Theater of Korea -> Namsan North Side Circuit Entry -> N Seoul Tower
Alternatively, you can go Namsan Tower by cable car.
To reach the boarding place, walk about 10-15 minutes following the street of the right side of Pacific Hotel after coming out from exit 3 Myeongdong Station.
*Price of cable car: Return 8,500won/ One-way 6,000won