서울시립강북청소년센터
Sports facility · Gangbuk-gu
Public indoor pool in Gangbuk-gu with a 5-lane, 25m adult pool and a toddler pool. Open swim 5,000 won per session. Session times change monthly, so check before you go.
Official hours and feesOpen in a map app
Source: sports.seoul.go.kr · Seoul public sports facilities dataset

April 19th National Cemetery
FreeHistoric site · 4.19 Democratic Cemetery Stn. (Ui-Sinseol Line)
The April 19 Revolution memorial hall and memorial path are open free. A quiet spot at the foot of Bukhansan for a walk and a history lesson.
Museum of Modern and Contemporary Korean History
FreeMuseum · 4.19 Democratic Cemetery Stn. (Ui-Sinseol Line)
Gangbuk Culture and Arts Center
₩4,000Sports facility · Gaori Stn. (Ui-Sinseol Line)
Public indoor pool in Gangbuk-gu with a 6-lane adult pool (25m) and a 4-lane youth pool (20m). Open swim 4,000 won per session. Session times change monthly, so check before you go.
Solbat Neighborhood Park
FreePark · 4.19 Democratic Cemetery Stn. (Ui-Sinseol Line)
Opened in January 2004, Solbat Park is a 34,955㎡ retreat in the city with landscaping, cultural and exercise facilities for residents, and is popular as a local walking route. The pine trees growing naturally here were preserved as far as...
Solbat Neighborhood Park Badminton Court
FreeSports facility · Solbat Park Stn. (Ui-Sinseol Line)
Outdoor badminton court in Gangbuk-gu, with 1 court. Open 24 hours.
Seoul Youth Center Gangbuk
FreeStudy & youth space · 4.19 Democratic Cemetery Stn. (Ui-Sinseol Line)
A lounge, study and community space free for all young people, part of the Seoul Youth Center Orang network.

King Onjo Culture and Sports Hall
₩4,400Gangdong-gu · Godeok Stn. (Line 5)
Public indoor pool in Gangdong-gu, with a 6-lane adult pool and a toddler pool. Open swim costs 4,400 won per session. Open-swim time slots change monthly, so check before you go.
Jamsil Sports Complex Swimming Pool 1
₩4,000Songpa-gu · Sports Complex Stn. (Lines 2, 9)
Public indoor pool in Songpa-gu, with a 2-lane competition pool (50m x 25m) and a 10-lane diving pool (25m x 25m). Open swim costs 4,000 won per session. Open-swim time slots change monthly, so check before you go.

Olympic Swimming Pool
₩7,000Songpa-gu · Olympic Park Stn. (Lines 5, 9)
Public indoor pool with open swim.
Geumcheon Community Culture and Sports Center
₩4,200Geumcheon-gu · 독산4동
Public indoor pool in Geumcheon-gu. Six-lane adult pool plus a toddler pool. Open swim is 4,200 won per session. Open swim time slots change monthly, so check before you go.
Eunpyeong Community Sports Center
₩4,000Eunpyeong-gu · Gupabal Stn. (Line 3)
Public indoor pool in Eunpyeong-gu. Seven-lane 25m adult pool plus a toddler pool. Open swim is 4,000 won per session. There is also a gym. Open swim time slots change monthly, so check before you go.