Days · Seoul
Seoul in 3 days
Palaces and hills in the morning, indoors at midday, streets at night; the last day ends with the bags already at the AREX station.
Days
3
Plan status
draft
Walking
6km
default plan, all days
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Walking weather for the week
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Forecast: Open-Meteo (CC BY 4.0), model data for this point.
Your constraints
Day 1 — Gyeongbokgung at opening, a 12:30 samgyetang lunch
leave byLeave Gwanghwamun Square by 11:30 to keep the 12:30 last seating.Leave Gwanghwamun Square by 11:30 AM to keep the 12:30 PM last seating.
36 min of buffer left; holds while the queue at Gyeongbokgung Palace stays under 46 min.
- 08:30–08:54Subway Line 4 to Chungmuro, Line 3 to Gyeongbokgung
- 08:54–10:14Gyeongbokgung Palace
- 10:14–10:22Walk south through the gate
- 10:22–10:47Gwanghwamun Square
- 10:47–11:06Walk west past Sajik-ro
- 11:06–12:30Buffer / wander near Tosokchon Samgyetang
- 12:30–13:30Lunch 12:30 (Seochon)hard
What this plan gives up
- L2Shorten Gyeongbokgung Palace to 70 min (minimum worthwhile visit) — protects: Lunch 12:30 (Seochon).Shorten Gyeongbokgung Palace to 70 min (minimum worthwhile visit) — protects: Lunch 12:30 PM (Seochon).
Switches if the ground changes
- heat Gyeongbokgung Palace → MMCA Seoul café (AC) (11′, then 18′ p90 to the anchor)
- crowd Gyeongbokgung Palace → Gwanghwamun Square (8′, then 20′ p90 to the anchor)
Why this route?
DFL 4.3 = PFL 2.6 + OFL 1.7 · walk 2.6 km (1.6 mi)1.6 mi (3 km) · steps ↑0 ↓0
P_late 1.0% (100 Monte Carlo runs) · margin p90 36′ · relax L2 · yield 11.8 · option value 1.03
Deadline: last seating 12:30 → latest arrival 12:20, slack 27′
β vs α: time risk 0% → 1%; margin -12 min; -KRW 6,400.
trace: generated 20 · rejected none · frontier 18 · seed 3414002419 · solver 0.2.0 · confidence medium
After: Hotel or AC café 13:30–16:00; Myeongdong for dinner from 18:00.
Day 2 — Bukchon early, Insadong tea, Myeongdong evening
- 09:00–09:27Subway Line 4 to Chungmuro, Line 3 to Anguk, walk up
- 09:27–10:12Bukchon Hanok Village
- 10:12–10:25Walk downhill via Anguk
- 10:25–11:10Insadong-gil
Switches if the ground changes
- crowd Bukchon Hanok Village → Insadong-gil (13′)
- heat Bukchon Hanok Village → Anguk Station concourse (AC) (11′)
Why this route?
DFL 2.9 = PFL 1.9 + OFL 1 · walk 1.9 km (1.2 mi)1.2 mi (2 km) · steps ↑0 ↓0
P_late 0.0% (fast path: safe) · margin p90 n/a · relax L0 · yield 11 · option value 0.91
trace: generated 12 · rejected none · frontier 4 · seed 3414002419 · solver 0.2.0 · confidence medium
After: Evening: Myeongdong street food from 17:00; take the subway back before it stops around midnight.
Day 3 — Yeonnam-dong and Hongdae, AREX to Incheon at 12:00
leave byLeave Hongdae Walking Street by 11:25 to keep the 12:00 boarding.Leave Hongdae Walking Street by 11:25 AM to keep the 12:00 PM boarding.
18 min of buffer left.
- 09:30–09:41Walk north-west
- 09:41–10:21Gyeongui Line Forest Park (Yeonnam)
- 10:21–10:32Walk south
- 10:32–11:02Hongdae Walking Street
- 11:02–11:09Walk back for the bags
- 11:09–12:00Buffer / wander near Hotel bags → AREX at Hongik Univ. Station
- 12:00–13:00AREX from Hongik Univ. at 12:00hard
What this plan gives up
- L2Shorten Hongdae Walking Street to 30 min (minimum worthwhile visit) — protects: AREX from Hongik Univ. at 12:00.Shorten Hongdae Walking Street to 30 min (minimum worthwhile visit) — protects: AREX from Hongik Univ. at 12:00 PM.
Why this route?
DFL 1.8 = PFL 1.8 + OFL 0 · walk 1.8 km (1.1 mi)1.1 mi (2 km) · steps ↑0 ↓0
P_late 0.0% (100 Monte Carlo runs) · margin p90 18′ · relax L2 · yield 9.3 · option value 0
Deadline: boarding 12:00 → latest arrival 11:50, slack 15′
β vs α: time risk 0% → 0%; margin -19 min; +KRW 0.
trace: generated 6 · rejected p_late>0.15×1 · frontier 3 · seed 3414002419 · solver 0.2.0 · confidence medium
After: Incheon: allow 3 hours before an international departure.