Yeouido Hangang Park — TWICE River Walk

Yeouido Hangang Park is the riverside that comes up most often in TWICE's content — a mix of music video shots ('Yes or Yes' used the river backdrop), seasonal vlogs (the cherry-blossom bike rides), and the kinds of low-key member outings that come up in the run-up to comeback. Of the 11 Hangang parks, Yeouido is the one with the densest concentration of cherry trees, the easiest subway access, and the widest open lawns — and it's where TWICE members have been photographed riding bikes, having picnics, and watching fireworks across multiple eras. The standard ONCE walk: from Yeouinaru Station Exit 2 (Line 5), the park opens directly in front of you. Rent a bike from one of the kiosks (Seoul's public 'ttareungi' bikes work, or there are rental shops), ride east along the bank toward the 63 Building, stop at one of the lawn sections for a sit, and pick up the famous riverside ramen at any convenience store along the way. In late March through early April the cherry-blossom road on the south side of the park (Yeouiseo-ro) is the densest in central Seoul — it's the same blossom canopy you've seen in dozens of K-pop spring shoots and a handful of TWICE seasonal greetings. Best windows: cherry-blossom season (late March – early April), the late-September Seoul International Fireworks Festival weekend (massively crowded but unmissable), and any clear Saturday evening between May and September. Bring a picnic mat, sunscreen, and patience — the riverside is exactly as nice and exactly as packed as the videos suggest.