Another way to get there, (and with less crossing of major streets) go to Someyeon's above ground McDonalds: the one near outback steakhouse and dunkin donuts. Go down the street to the BurgerKing. Pass by the Burger King, keep going straight till you reach the end, a Y intersection. You'll walk right beside it, coming from the right hand side of the picture here. Haenbokhan is on the 2F to your right.

Haengbokhan has a great menu with many of the standard Korean teas: Omejacha or 5 flavored tea, DaeChoo Cha or plum tea etc. Their menu is all in English so you don't have to worry. Their Daechoo cha was wonderful. Served in a medium sized cup it was well blended, not overly sweet as some tend to be but only slightly so. Craving something sour I decided to order their 다래차 (Dalaecha).  The dalae or in the Latin: actinidia arguta ( Wikipedia's Actinidia_arguta) which is known as either the hard kiwi or the hardy kiwi. The tea, served either hot or cold was wonderfully sour. Extremely so. More sour than the sourest of sour candies you can get in the store and kiwi flavor of course. Haengbokhan Chat-Jip also has a small food menu. Offering mandu steamed in a bamboo steamer, Red bean porridge (Patjook) Lotus seed porridge (YunJa Jook).                                                                  .