Sledding at Ttukseom Hangang Park Take Exit No. 2 from Ttukseom Station on Subway Line 7 and you will find a sledding park run by the Ttukseom Hangang Park for the winter season. The 55-meter-long slope may not look so steep at first sight -- it is 6 meters at its highest point -- but after a couple of rides, your inner child will have you standing in line for another ride. You can ride as many times as you like. The speed and the gush of winds will take you to the bottom of the slope in a blink