휘경행복도서관
Library · Dongdaemun-gu
Public library in Dongdaemun-gu. Free entry and reading, with heating and air conditioning.
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Source: www.l4d.or.kr
Baebongsan Neighborhood Park
FreePark · Hoegi Stn. (Line 1, Gyeongui-Jungang Line)
The only hill park and the symbolic park of Dongdaemun-gu, a district short of green space. Once occupied by a military unit, with large rock faces exposed on cut slopes 15–20 m high, the site was turned into a park in 1992. Inside the park, for more than 50 years
University of Seoul Museum
FreeMuseum · Hoegi Stn. (Line 1, Gyeongui-Jungang Line)
The museum surveys, collects, preserves and exhibits materials on Korean and international history, archaeology, folklore and art, as well as cultural properties related to the history of Seoul.
Jangan Neighborhood Park Badminton Court
FreeSports facility · Yongmasan Stn. (Line 7)
Outdoor badminton court in Dongdaemun-gu. 3 courts. Open 24 hours.
Jangan Neighborhood Park Basketball Court
FreeSports facility · Yongmasan Stn. (Line 7)
Outdoor basketball court in Dongdaemun-gu. Basketball court. Open 24 hours.
Baebongsan Forest Library
FreeLibrary · Cheongnyangni Stn. (Line 1, Suin-Bundang Line, Gyeongui-Jungang Line, Gyeongchun Line)
Public library in Dongdaemun-gu. Free entry and reading, with heating and air conditioning.
Seoul Youth Center Dongdaemun
FreeStudy & youth space · Hoegi Stn. (Line 1, Gyeongui-Jungang Line)
A lounge, study and community space free for all young people, part of the Seoul Youth Center Orang network.

Seoul Metropolitan Library
FreeJung-gu · City Hall Stn. (Lines 1, 2)
A landmark right in front of Seoul Plaza. Known for its stepped bookshelves and glass-walled plaza views, with a rooftop and cafe for a break.
Starfield Library
FreeGangnam-gu · Samseong Stn. (Line 2), Bongeunsa Stn. (Line 9)
Famous for its 13m-high shelves, this is a photo hotspot inside COEX Mall. Ideal escape from summer heat and winter cold, with plenty of seating.
Jeongdok Public Library
FreeJongno-gu · Anguk Stn. (Line 3)
A campus-style library on the Bukchon hillside. A healing spot where you can picnic on garden benches among spring cherry blossoms and autumn leaves.

Namsan Library
FreeYongsan-gu · Myeongdong Stn. / Hoehyeon Stn. (Line 4)
A library atop a stairway on the slopes of Namsan. Read a book, then walk straight on to Namsan Park and N Seoul Tower on a free route.
Jongno Library
FreeJongno-gu · Gyeongbokgung Stn. (Line 3)
On the edge of Sajik Park and Inwangsan. Read, then stroll the park; pair it with Gyeongbokgung for a full day.