NoonchiBy regionFeaturesFestivalsGuidesAbout

Achasanseong 아차산성

Gwangjin-gu, Seoul · Historic site

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.

Achasanseong

No official English name is available; the name is shown in romanized Korean. An English description of this place is not available yet.

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
From my location: check the Noonchi Score now

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.

SunMonTueWedThuFriSat
10/2845296130593192
11/187242344441552653797
89093910381140124813591495
1591164717461843194520562194
2293234224532547

Quiet (under 55) Moderate Busy (80+) Closed · red dates are Sundays and public holidays

Quieter weekends & holidaysAll weekends and holidays in the next 30 days look busy — consider a weekday.
Quietest daysMon, Nov 9 39 · Tue, Nov 10 38 · Wed, Nov 11 40
Busiest daysSat, Nov 7 97 · Sat, Nov 14 95 · Sat, Nov 21 94
Weekday / weekend averageWeekdays 48 · weekends 92
Average by day of weekMon 43 · Tue 45 · Wed 43 · Thu 52 · Fri 57 · Sat 95 · Sun 90 (bold = quietest day)

Festivals & events nearby

Roads and car parks around festival sites get busier than usual. All festivals in Korea →

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

→ More quiet spots in Gwangjin-gu, Seoul

Sources: Korea Tourism Organization (KOGL), crowd forecasts based on mobile-network data, Korea's national parking-lot open data. These are forecasts calculated from past data, not live information — use them as a guide. Korea time (KST, UTC+9).

→ Plan a trip now · Privacy policy (Korean)