The water runs from Bukhansan toward Cheonggyecheon
Jeongneungcheon begins in the valleys of Bukhansan, passes through Jeongneung-dong, Jongam-dong, and Jegi-dong, and meets Cheonggyecheon near Yongdu-dong. It connects the western mountains of Seongbuk-gu with lower urban districts to the east, so its steep upper reaches, uncovered neighborhood sections, and channels constrained by city infrastructure look different. Shallow clear water on a dry day does not make every section a permanently safe play stream. Rain can rush quickly down granite valleys, while covered sections and spaces under bridges have limited sight lines and escape routes. Never enter the waterway when Seoul or Seongbuk-gu closure barriers are in place.
Market and stream run on different timetables
Seoul lists Jeongneung Arirang Market and Jeongneung Market as traditional markets in Seongbuk-gu. The times when residents buy produce, meat, side dishes, and household items overlap with merchant deliveries, cleanup, and people walking beside the stream. Visitors often mistake the two named markets for a single business or one continuous arcade, but their registered areas and commercial streets differ; confirm the destination on a map. Each shop sets its own days, prices, stock, and payment methods. Treating the district as a waterside café street hides handcarts, loading work, and the ordinary shopping routes that keep the market functioning.
Gaeuljang is a resident-made event, not permanent scenery
Residents, merchants, and local organizations have held a community market called Gaeuljang beside Jeongneungcheon. Seoul accounts describe performances below Cheongsugyo Bridge, children and residents selling goods, and cooperation between established merchants and younger organizers. A schedule reported in an old article, such as the second and fourth Saturday, must not be assumed to remain current. Seasons, rain, budgets, public safety, and organizers can change its dates or pause it entirely. Check the latest notice from the organizer or Seongbuk-gu before traveling for the event. On days without stalls, the stream and market remain daily spaces rather than a failed tourist attraction.
Respect the boundary between water, trade, and homes
Buying food in the market does not turn every stair, railing, or doorway beside the stream into a dining area. Leave room for circulation and do not block housing entrances, shop doors, or delivery space. Dispose of packaging through designated systems rather than placing it in a merchant's box or beside a water facility. Ask vendors about allergens and the presence of meat, seafood, alcohol, or fermented ingredients instead of guessing from appearance. Stepping stones and low banks may look open, but weather forecasts and physical barriers take priority. Jeongneung Market is more interesting as a negotiation among water management, residential commerce, and community activity than as a romantic claim that a rural market somehow survived unchanged in Seoul.