서울특별시교육청서대문도서관
Library · Seodaemun-gu
Public library in Seodaemun-gu. Free entry and reading, fully heated and air-conditioned.
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Source: sdmlib.sen.go.kr
Ansan Urban Nature Park
FreeMountain & trail · Muakjae Stn. (Line 3)
Rising 295.9 m above sea level, Ansan slants west from Inwangsan, forming the Muakjae pass before rising again. Muakjae, another name for Gilmajae, was also called Moakjae, and when the Joseon dynasty was founded and the capital moved to Hanyang
Seoul Metropolitan Seodaemun Youth Center
CheapSports facility · Muakjae Stn. (Line 3)
Municipal youth center in Hongeun-dong, Seodaemun-gu, with a gym where you can play badminton.
Seodaemun Museum of Natural History
₩7,000Museum · Muakjae Stn. (Line 3)
The exhibits at the Seodaemun Museum of Natural History are arranged in chronological order.
Seodaemun Culture and Sports Center
₩3,500Sports facility · 홍은2동
Public indoor pool in Seodaemun-gu. Adult pool with 6 lanes plus a toddler pool. Open swim 3,500 won per session. There is also a gym. Open-swim time slots change monthly, so check before you go.
Zero Gravity Zone Hongje
FreeStudy & youth space · Hongje Stn. (Line 3)
A lounge, study and community space free for all young people, part of the Seoul Youth Center Orang network.
Ansan Jarak-gil Trail
FreeMountain & trail · Dongnimmun Stn. (Line 3)
Korea's first barrier-free loop forest trail. The boardwalk suits strollers and wheelchairs, with deep shade from pines and metasequoias and a tunnel of cherry blossoms in spring.

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.