Photo: Wikimedia Commons (CC BY-SA)
아차산숲속도서관
Library · Gwangjin-gu
Public library in Gwangjin-gu. Free entry and reading, with heating and air conditioning.
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Source: www.gwangjinlib.seoul.kr
Achasan Park
FreePark · Gwangnaru Stn. (Line 5)
Created under the Seoul Metropolitan Government's five-year plan to expand parks and green space, Achasan Park gives residents and students a chance to get close to nature, with an ecosystem study area and hands-on spaces. It also supports the biodiversity of the urban ecosystem
Achasan Ecological Park
FreeMountain & trail · Achasan Stn. (Line 5)
A gentle low mountain ideal for beginner hikers, with superb views of the Han River and Seoul. The native plant garden and butterfly garden are free.
Achasan Mountain Fortress Ruins
FreeMountain & trail · Achasan Stn. (Line 5)
A celebrated peak where Goguryeo outpost ruins line the ridge. A 1.5-hour round trip with superb Han River views.
Gwangjin Youth Center Basketball Court
FreeSports facility · Gwangnaru Stn. (Line 5)
Indoor basketball court in Gwangjin-gu. 252.69 m².
Gwangjin Information Library
FreeLibrary · Gwangnaru Stn. (Line 5)
Public library in Gwangjin-gu. Free entry and reading, with heating and air conditioning.
Gwangjin Community Sports Center
₩3,500Sports facility · Gwangnaru Stn. (Line 5)
Public indoor pool in Gwangjin-gu. Six-lane adult pool, a children's pool and a warm pool. Open swim is 3,500 won per session. Open swim time slots change monthly, so check before you go.

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.