Achasanseong 아차산성
Achasanseong: This Saturday (Sat, Oct 31) looks busy (daily crowd index 92); the quietest day in the next 30 days is Tue, Nov 10; weekday average 48, weekend average 92; the quietest day of the week is Monday; opening hours: Open all day (KST); no on-site parking.
- Type
- Historic site
- Area
- Gwangjin-gu, Seoul
- Opening hours
- Open all day (KST)
- Parking
- No on-site parking (use public transport or nearby lots)
- Sunrise / sunset
- Sat, Oct 31: sunrise 06:55 · sunset 17:36
Achasanseong: least crowded days in the next 30 days
This is the daily crowd index forecast by the Korea Tourism Organization from mobile-network data. 100 = this place's busiest period, so 50 means about half as busy as its peak. It covers the whole day — even busy days can be quiet early in the morning or in the evening.
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 10/2845 | 2961 | 3059 | 3192 | |||
| 11/187 | 242 | 344 | 441 | 552 | 653 | 797 |
| 890 | 939 | 1038 | 1140 | 1248 | 1359 | 1495 |
| 1591 | 1647 | 1746 | 1843 | 1945 | 2056 | 2194 |
| 2293 | 2342 | 2453 | 2547 |
Quiet (under 55) Moderate Busy (80+) Closed · red dates are Sundays and public holidays
| Quieter weekends & holidays | All weekends and holidays in the next 30 days look busy — consider a weekday. |
|---|---|
| Quietest days | Mon, Nov 9 39 · Tue, Nov 10 38 · Wed, Nov 11 40 |
| Busiest days | Sat, Nov 7 97 · Sat, Nov 14 95 · Sat, Nov 21 94 |
| Weekday / weekend average | Weekdays 48 · weekends 92 |
| Average by day of week | Mon 43 · Tue 45 · Wed 43 · Thu 52 · Fri 57 · Sat 95 · Sun 90 (bold = quietest day) |
Festivals & events nearby
- Yangjaecheoneul Pumeun Yangjaedoseogwan 「mulgil Ttara Geurimchaek Yeohaeng」 양재천을 품은 양재도서관 「물길 따라 그림책 여행」 On now Sat, Oct 10 – Sun, Nov 8 · 11 km
- Nowondalbitsanchaek 노원달빛산책 On now Fri, Oct 16 – Sun, Nov 8 · 11 km
- 《sojangpum, Sidaeui Jangmyeondeul》 《소장품, 시대의 장면들》 On now Fri, Oct 16 – Sun, Dec 6 · 9 km
- Sium Sium Morning On now Sun, Oct 18 – Sun, Nov 29 · 2 km
FAQ
- Is there parking at Achasanseong?
- Achasanseong has no on-site parking. Use public transport or a nearby car park.
- What are the opening hours of Achasanseong?
- Open all day (KST). Hours can change by season or for events, so check before you go. Times are Korea time (KST).
- Which day is Achasanseong least crowded?
- Based on the Korea Tourism Organization forecast for the next 30 days, Monday is the quietest day of the week (average 43) and Saturday the busiest (average 95). The single quietest day is Tue, Nov 10.
- What time should I visit Achasanseong to avoid the crowds?
- Tourist spots are usually busiest between 11:00 and 14:00. Arriving early in the morning or late in the afternoon is much calmer. The Noonchi app shows a score for every departure time from your location.
- Will Achasanseong be crowded this weekend?
- This Saturday (Sat, Oct 31) is forecast to be busy (daily crowd index 92; 100 = busiest period). Even on busy days, early morning and late afternoon are calmer.
Nearby attractions
- Achasan Goguryeojeong 아차산 고구려정 0.2 km · Mountain
- Yeonghwasa(Seoul) 영화사(서울) 0.8 km · Temple & religious site
- Bichui Sieoteo 빛의 시어터 0.8 km · Museum & gallery
- Achasan Eoullimjeongwon 아차산 어울림정원 0.8 km · Nature park
- Gingoranggyegok 긴고랑계곡 0.8 km · Mountain
- Achasan 아차산 0.9 km · Mountain
- Gingoranggongwon 긴고랑공원 1.2 km · City park
- Achasanbaesujicheyukgongwon 아차산배수지체육공원 1.3 km · City park