By Choose late October through the first week of November 2026 for a Seoul trip built around fall color, palace grounds and city walks. The Korea Tourism Organization forecasts Bukhansan’s foliage peak for November 4 and names Gyeongbokgung Palace, Seoul Forest and Olympic Park among the city’s fall-color spots. That date is a forecast, not a guarantee: the organization says weather can shift the display. See the 2026 foliage forecast.
The useful catch is at Gyeongbokgung. Its listed closing time moves from 6 p.m. in October to 5 p.m. in November, with last admission at 4 p.m. Plan the palace for daylight rather than saving it for the end of a November sightseeing day. See Gyeongbokgung’s visiting information.
Give the palace the daylight
Gyeongbokgung offers more than a foliage backdrop: its grounds include Gyeonghoeru Pavilion and the Hyangwonjeong Pavilion and pond. It makes a strong first outing for visitors who want Seoul’s history alongside the season’s color. The palace is normally closed on Tuesdays; when Tuesday is a public holiday, the closure moves to the following business day. Those rules make the day of the week as consequential as the foliage forecast. See the palace description and schedule.
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Base this part of the trip around Jongno if a palace-centered morning appeals to you: Gyeongbokgung’s listed address is in that district. Treat its gardens and buildings as the main visit, then leave another day for a different kind of autumn walk rather than trying to make one palace carry the whole city break. See the palace location.
Follow the color into the city
Seoul’s foliage choices extend well beyond palace grounds. The city identifies Deoksugung-gil and Samcheong-dong Street as central walking options, the Hill of Wind in Seoul Forest as a park option, and waterside paths along several streams. That variety gives the trip a useful fallback if one set of trees is early or past its best: choose a neighborhood walk or a park day according to what is looking good during your visit. Explore Seoul’s foliage paths.
Set aside a separate outing for Seoul Forest if you want open park scenery after the palace. The tourism organization includes it in its 2026 Seoul foliage shortlist, while the city specifically highlights its Hill of Wind trail. See the 2026 shortlist and the city’s trail selections.
Choose October for longer palace days
Seoul’s city government describes fall as running from September to November and lists a lower average temperature for November than October. If longer sightseeing hours and milder conditions matter more to you than aiming at the forecast foliage peak, choose October: Gyeongbokgung’s listed October schedule gives visitors an extra hour before closing. If fall color is the main draw, keep early November and put the palace first in the day. See Seoul’s climate overview and the palace schedule.
Save a simple plan: one daylight palace visit, one flexible city walk, and one park outing. It leaves room for the weather to move the color without making a single forecast date decide the whole vacation.