Days · Colombo
Colombo in 3 days
Mornings at the lake and the market, sunsets on the seafront; the last day ends with the bags in the car with a wide margin.
Days
3
Plan status
draft
Walking
9km
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 — Beira Lake morning, a 12:30 lunch table
leave byLeave Buhari by 11:45 to keep the 12:30 last seating.Leave Buhari by 11:45 AM to keep the 12:30 PM last seating.
14 min of buffer left; holds while the queue at Gangaramaya Temple stays under 19 min.
- 07:30–08:08Walk via Sir Baron Jayatilaka Mawatha (little shade)
- 08:08–08:58Gangaramaya Temple
- 08:58–09:06Walk to a lunch room by the lake
- 09:06–09:56Rice and curry lunch room, Beira Lake
- 09:56–10:08Ride-hail to Buhari in the Fort
- 10:08–11:08Buhari
- 11:08–11:14Walk to the Fort lunch table
- 11:14–12:30Buffer / wander near Your reserved lunch (Fort)
- 12:30–13:30Lunch table 12:30 (Fort)hard
What this plan gives up
- L1Taxi LKR 500 (Ride-hail to Buhari in the Fort) — protects: Lunch table 12:30 (Fort).Taxi LKR 500 (Ride-hail to Buhari in the Fort) — protects: Lunch table 12:30 PM (Fort).
- L2Shorten Gangaramaya Temple to 45 min (minimum worthwhile visit) — protects: Lunch table 12:30 (Fort).Shorten Gangaramaya Temple to 45 min (minimum worthwhile visit) — protects: Lunch table 12:30 PM (Fort).
- L2Skip Seema Malaka (optional) — protects: Lunch table 12:30 (Fort).Skip Seema Malaka (optional) — protects: Lunch table 12:30 PM (Fort).
Switches if the ground changes
- crowd Gangaramaya Temple → Seema Malaka (5′, then 30′ p90 to the anchor)
- heat Gangaramaya Temple → Café by Beira Lake (AC) (5′, then 30′ p90 to the anchor)
Why this route?
DFL 4.3 = PFL 3.5 + OFL 0.8 · walk 3.5 km (2.2 mi)2.2 mi (4 km) · steps ↑0 ↓0
P_late 1.0% (100 Monte Carlo runs) · margin p90 14′ · relax L2 · yield 15.2 · option value 1.33
Deadline: last seating 12:30 → latest arrival 12:20, slack 25′
β vs α: time risk 0% → 1%; margin -116 min; -LKR 1,000.
trace: generated 60 · rejected p50_after_latest_arrival×6, p_late>0.15×10, no_edge×4 · frontier 19 · seed 3950800700 · solver 0.2.0 · confidence medium
After: Hotel or AC café 13:00–16:00; Galle Face at sunset if energy allows.
Day 2 — Sunset on the green, dinner in the Fort
- 16:00–16:17Walk south along the seafront road
- 16:17–17:17Galle Face Green
- 17:17–17:33Walk north along the seafront
- 17:33–17:48Old Colombo Lighthouse (clock tower)
- 17:48–17:54Walk to the Dutch Hospital
- 17:54–19:24Ministry of Crab
What this plan gives up
- L2Skip Galle Face isso wade stalls (optional).
- L2Skip Dutch Hospital Shopping Precinct (optional).
Switches if the ground changes
- heat Galle Face Green → Hotel lobby café on the seafront (AC) (5′)
- crowd Galle Face Green → Old Colombo Lighthouse (clock tower) (8′)
Why this route?
DFL 2.7 = PFL 2.7 + OFL 0 · walk 2.7 km (1.7 mi)1.7 mi (3 km) · steps ↑0 ↓0
P_late 0.0% (fast path: safe) · margin p90 n/a · relax L2 · yield 16 · option value 1.22
trace: generated 64 · rejected no_edge×5 · frontier 9 · seed 3950800700 · solver 0.2.0 · confidence medium
After: Evening: Fort lanes are quiet after office hours; take a ride-hail back.
Day 3 — Pettah early, car to Katunayake at 12:00
leave byLeave Sea Street kottu stalls by 11:15 to keep the 12:00 boarding.Leave Sea Street kottu stalls by 11:15 AM to keep the 12:00 PM boarding.
78 min of buffer left.
- 07:00–07:18Walk east
- 07:18–08:03Sea Street gold market lanes
- 08:03–08:12Walk to Wolvendaal Church
- 08:12–08:42Wolvendaal Church
- 08:42–08:51Walk back to Sea Street
- 08:51–09:31Sea Street kottu stalls
- 09:31–09:43Ride-hail back to the hotel for the bags
- 09:43–12:00Buffer / wander near Hotel pickup (bags) → Bandaranaike Airport
- 12:00–13:00Car to the airport at 12:00hard
What this plan gives up
- L1Taxi LKR 500 (Ride-hail back to the hotel for the bags) — protects: Car to the airport at 12:00.Taxi LKR 500 (Ride-hail back to the hotel for the bags) — protects: Car to the airport at 12:00 PM.
- L2Skip Jami Ul-Alfar Mosque (exterior) (optional) — protects: Car to the airport at 12:00.Skip Jami Ul-Alfar Mosque (exterior) (optional) — protects: Car to the airport at 12:00 PM.
Why this route?
DFL 3.1 = PFL 2.6 + OFL 0.5 · walk 2.6 km (1.6 mi)1.6 mi (3 km) · steps ↑0 ↓0
P_late 0.0% (100 Monte Carlo runs) · margin p90 78′ · relax L2 · yield 13 · option value 0
Deadline: boarding 12:00 → latest arrival 11:50, slack 22′
β vs α: time risk 0% → 0%; margin +29 min; -LKR 400.
trace: generated 36 · rejected no_edge×4 · frontier 8 · seed 3950800700 · solver 0.2.0 · confidence medium
After: Katunayake: the road takes 50–90 min; allow 3 h at the airport before an international departure.