Namsan Sowol Tower is an SK Broadband office building between Namsan Park and Seoul Station, near Hoehyeon Station. The second floor has a coffee shop and a rest area, and the meeting rooms look out onto Namsan. The 40-year-old building was recently renovated, and the yellow shuttle bus from beside Supyo Bridge at Dongdaeipgu Station takes about 10 minutes. Visitors leave an ID at the first-floor desk, make contact, and receive a pass before entering.