October 2026 brings a range of flower, garden and nature festivals across Korea, from water lilies and silver grass to garden expos and a forest expo. This guide lists 12 of them in order of their start dates, beginning with longer events that open in September and run into October, and ending with shorter festivals held in mid-October. Each listing gives the dates, region, venue and admission details we have.
Festivals by start date
Semiwon Water Lily Culture Festival
The Semiwon Water Lily Culture Festival runs September 1 – October 31, 2026 at Semiwon in Gyeonggi-do. Admission is paid.
Fortress City in the Forest - Namhansanseong Autumn Festa
Fortress City in the Forest - Namhansanseong Autumn Festa takes place September 5 – October 25, 2026 in the Namhansanseong Fortress area, Gyeonggi-do. Admission is free.
2026 Namdo K-Garden Festival
The 2026 Namdo K-Garden Festival is held September 11 – October 31, 2026 on Yeoun Culture Street in Jeonnam-Gwangju. Admission is free.
Hantangang Garden Festa
Hantangang Garden Festa runs September 12 – November 1, 2026 at the Pocheon Hantan River Ecological Landscape Complex in Gyeonggi-do. Admission is paid.
Han River Walk
The Han River Walk takes place September 19 – November 7, 2026, listed under Gyeonggi-do. Its venues are Jaraseom Island, Gapyeong; Hantangang River UNESCO Global Geopark, Pocheon; and Hajungdo Island, Chuncheon. Admission is free.
Inje Autumn Flower Festival
The Inje Autumn Flower Festival is held September 24 – October 18, 2026 at the Yongdae Tourist Site and surrounding area, Buk-myeon, Inje-gun, Gangwon State. Admission is free, though some programs charge a fee.
Jeongeup Gujeolcho Flower Festival
The Jeongeup Gujeolcho Flower Festival runs October 8–18, 2026 in Jeonbuk State. Venue and admission details are not listed here, so please check the official page.
Gwangju Seochang Silver Grass Festival
The Gwangju Seochang Silver Grass Festival takes place October 15–18, 2026 at the Yeongsangang River Bike Path Information Center in Jeonnam-Gwangju. Admission is free, with some paid experiences, including food and some hands-on activities.
Chungcheongbuk-do Garden Expo in Yeongdong
The Chungcheongbuk-do Garden Expo in Yeongdong is held October 15–18, 2026 at Yongdu Park in Chungcheongbuk-do. Admission is free.
2026 14th Gyeonggi Garden Culture Expo
The 2026 14th Gyeonggi Garden Culture Expo runs October 16–19, 2026 in Gyeonggi-do. Venue and admission details are not listed here, so please check the official page.
Pocheon Sanjeong Lake Myeongseongsan Silver Grass Festival
The Pocheon Sanjeong Lake Myeongseongsan Silver Grass Festival takes place October 16–18, 2026 around Sanjeong Lake and Myeongseongsan Mountain, Pocheon, in Gyeonggi-do. Admission is free, though some hands-on programs charge a fee.
2026 Korea Forest Expo
The 2026 Korea Forest Expo is held October 16–18, 2026 at Saengmyeongnuri Park and surrounding area, Cheongju City, in Chungcheongbuk-do. Admission is free.
Before you go
Festival dates and programs can change. Please check the official page linked on each listing above before making travel plans.