용산도서관
Library · Yongsan-gu
A large, quiet public library on a hilltop. Fully heated and air-conditioned, it's a free refuge in midsummer and midwinter.
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Source: yslib.sen.go.kr

Namsan Library
FreeLibrary · 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.
Galwol Community Welfare Center
₩5,000Sports facility · Sookmyung Women's Univ. Stn. (Line 4)
Public indoor pool in Yongsan-gu with a 5-lane, 25m adult pool. Open swim 5,000 won per session. Session times change monthly, so check before you go.
Cheongpa Library
FreeLibrary · Seoul Stn. (Lines 1, 4, AREX)
Public library in Yongsan-gu. Free entry and reading, with heating and air conditioning.
Museum of Japanese Colonial History in Korea
₩3,000Museum · Sookmyung Women's Univ. Stn. (Line 4)
The first museum specializing in the Japanese colonial period, recording and exhibiting the history of imperial Japan's plunder, the crimes of collaborators, and the proud history of the anti-Japanese resistance. This precious historical and cultural space
Democracy Movement Memorial Hall
FreeMuseum · Namyeong Stn. (Line 1)
The new Democracy Movement Memorial Hall (37 Hangang-daero 71-gil, Yongsan-gu, Seoul) occupies a former state torture facility.
Seoul Metropolitan Youth Center
FreeStudy & youth space · Namyeong Stn. (Line 1)
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.
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.
Seongdong District Library
FreeSeongdong-gu · Haengdang Stn. (Line 5)
A quiet neighbourhood library on a hill in Haengdang-dong. A free climate-controlled rest stop between Seongsu and Seoul Forest outings.