Photo: Basile Morin, CC BY-SA 4.0 Free parks & gardens in Seoul
Photo: Basile Morin, CC BY-SA 4.0 Namsan Park
Free outside, paid inside
Photo: Christian Bolz, CC BY-SA 4.0 Seoullo 7017
Free, always
Photo: No machine-readable author provided. JeongAhn assumed (based on copyright claims)., Public domain Seoul Forest
Free, always
Photo: kallerna, CC BY-SA 4.0 Seokchon Lake
Free, always
Photo: letsputphotographsontheinternet, CC BY 2.0 Seonyudo Park
Free, alwaysYeouido Hangang Park
Free, always
Photo: Christian Bolz (크리스티안 볼츠), CC BY-SA 4.0 Gyeongui Line Forest Park
Free, always
Photo: Tristan Surtel, CC BY-SA 4.0 Olympic Park
Free, always
Photo: Vanessaliam, CC BY-SA 3.0