Is there parking at Achasan?

Yes. On weekends and holidays the car park fills up early, so arrive in the morning.

What are the opening hours of Achasan?

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 Achasan least crowded?

Based on the Korea Tourism Organization forecast for the next 30 days, Monday is the quietest day of the week (average 37) and Saturday the busiest (average 94). The single quietest day is Mon, Nov 9.

What time should I visit Achasan 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 Achasan be crowded this weekend?

This Saturday (Sat, Oct 31) is forecast to be busy (daily crowd index 97; 100 = busiest period). Even on busy days, early morning and late afternoon are calmer.

Achasan 아차산

Gwangjin-gu, Seoul · Mountain

Achasan: This Saturday (Sat, Oct 31) looks busy (daily crowd index 97); the quietest day in the next 30 days is Mon, Nov 9; weekday average 45, weekend average 92; the quietest day of the week is Monday; opening hours: Open all day (KST).

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

Type: Mountain
Area: Gwangjin-gu, Seoul
Opening hours: Open all day (KST)
Sunrise / sunset: Sat, Oct 31: sunrise 06:55 · sunset 17:36
Popularity: Popular

From my location: check the Noonchi Score now

Achasan: 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
			10/2858	2959	3054	3197
11/181	236	336	436	539	646	791
893	934	1042	1146	1238	1356	1492
1592	1637	1741	1848	1947	2049	2194
2295	2340	2449	2550

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 2 36 · Tue, Nov 3 36 · Mon, Nov 9 34
Busiest days	Sat, Oct 31 97 · Sat, Nov 21 94 · Sun, Nov 22 95
Weekday / weekend average	Weekdays 45 · weekends 92
Average by day of week	Mon 37 · Tue 42 · Wed 48 · Thu 46 · Fri 51 · Sat 94 · Sun 90 (bold = quietest day)

Festivals & events nearby

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

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 · 10 km
《sojangpum, Sidaeui Jangmyeondeul》《소장품, 시대의 장면들》 On now Fri, Oct 16 – Sun, Dec 6 · 8 km
Sium Sium Morning On now Sun, Oct 18 – Sun, Nov 29 · 3 km

FAQ

Is there parking at Achasan?: Yes. On weekends and holidays the car park fills up early, so arrive in the morning.
What are the opening hours of Achasan?: 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 Achasan least crowded?: Based on the Korea Tourism Organization forecast for the next 30 days, Monday is the quietest day of the week (average 37) and Saturday the busiest (average 94). The single quietest day is Mon, Nov 9.
What time should I visit Achasan 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 Achasan be crowded this weekend?: This Saturday (Sat, Oct 31) is forecast to be busy (daily crowd index 97; 100 = busiest period). Even on busy days, early morning and late afternoon are calmer.

Nearby attractions

Gingoranggyegok 긴고랑계곡 0.1 km · Mountain
Gingoranggongwon 긴고랑공원 0.6 km · City park
Achasan Goguryeojeong 아차산 고구려정 0.7 km · Mountain
Sinseongjonghapsijang 신성종합시장 0.8 km · Traditional market
Achasanseong 아차산성 0.9 km · Historic site
Yeonghwasa(Seoul) 영화사(서울) 0.9 km · Temple & religious site
Yongmasan 용마산 1.0 km · Mountain
Achasan Eoullimjeongwon 아차산 어울림정원 1.3 km · Nature park

→ 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).