Days · Paris
Paris in 3 days
One big timed sight per morning, a long lunch, the river in the afternoon; the last day ends with the bags already at the hotel and the RER B a known ride.
Days
3
Plan status
draft
Walking
4km
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 — Île de la Cité, lunch in the Marais at 13:00
leave byLeave Sainte-Chapelle by 11:45 to keep the 13:00 last seating.Leave Sainte-Chapelle by 11:45 AM to keep the 1:00 PM last seating.
18 min of buffer left; holds while the queue at Notre-Dame de Paris stays under 33 min.
- 09:00–09:08Walk along the Seine to the Île de la Cité
- 09:08–09:58Notre-Dame de Paris
- 09:58–10:04Walk across the Île de la Cité
- 10:04–10:49Sainte-Chapelle
- 10:49–11:06Metro line 1 from Châtelet to Saint-Paul, then walk
- 11:06–13:00Buffer / wander near Your reserved lunch (Marais)
- 13:00–14:00Lunch table 13:00 (Marais)hard
What this plan gives up
- L2Shorten Notre-Dame de Paris to 35 min (minimum worthwhile visit) — protects: Lunch table 13:00 (Marais).Shorten Notre-Dame de Paris to 35 min (minimum worthwhile visit) — protects: Lunch table 1:00 PM (Marais).
- L2Shorten Sainte-Chapelle to 35 min (minimum worthwhile visit) — protects: Lunch table 13:00 (Marais).Shorten Sainte-Chapelle to 35 min (minimum worthwhile visit) — protects: Lunch table 1:00 PM (Marais).
- L2Skip Place des Vosges (optional) — protects: Lunch table 13:00 (Marais).Skip Place des Vosges (optional) — protects: Lunch table 1:00 PM (Marais).
Switches if the ground changes
- rain Notre-Dame de Paris → Café near Notre-Dame or Saint-Michel (seats, WC) (5′)
- crowd Notre-Dame de Paris → Sainte-Chapelle (6′, then 26′ p90 to the anchor)
Why this route?
DFL 3.8 = PFL 1.6 + OFL 2.2 · walk 1.6 km (1 mi)1 mi (2 km) · steps ↑0 ↓0
P_late 5.0% (200 Monte Carlo runs) · margin p90 18′ · relax L2 · yield 12.6 · option value 1.29
Deadline: last seating 13:00 → latest arrival 12:50, slack 47′
β vs α: time risk 11% → 5%; margin +21 min; +€0.
trace: generated 24 · rejected p50_after_latest_arrival×5, p_late>0.15×11 · frontier 8 · seed 3226321234 · solver 0.2.0 · confidence medium
After: Afternoon in the Marais; dinner from about 19:30.
Day 2 — Louvre morning, Orsay optional
- 08:45–09:01Metro line 1 from Saint-Paul to Palais Royal–Musée du Louvre
- 09:01–12:46Louvre Museum
- 12:46–12:51Walk through the Cour Napoléon
- 12:51–13:46Café Marly (Louvre courtyard)
What this plan gives up
- L2Skip Musée d'Orsay (optional).
Switches if the ground changes
- crowd Louvre Museum → Musée d'Orsay (14′)
- fatigue Louvre Museum → Café Marly (Louvre courtyard) (5′)
Why this route?
DFL 2.2 = PFL 0.7 + OFL 1.5 · walk 700 m (0.4 mi)0.4 mi (700 m) · steps ↑0 ↓0
P_late 0.0% (fast path: safe) · margin p90 n/a · relax L2 · yield 13 · option value 1.08
trace: generated 8 · rejected no_edge×1 · frontier 2 · seed 3226321234 · solver 0.2.0 · confidence medium
After: The Louvre is closed on Tuesdays and the Orsay on Mondays; swap this day with day 1 if needed.
Day 3 — Eiffel Tower at opening, RER B at 13:00
leave byLeave Eiffel Tower by 10:55 to keep the 13:00 boarding.Leave Eiffel Tower by 10:55 AM to keep the 1:00 PM boarding.
25 min of buffer left; holds while the queue at Eiffel Tower stays under 45 min.
- 08:30–09:02Metro line 1 then line 6, or RER C from Saint-Michel
- 09:02–10:52Eiffel Tower
- 10:52–11:24Metro or RER back to the hotel for the bags
- 11:24–13:00Buffer / wander near Hotel pickup (bags) → RER B to Charles de Gaulle
- 13:00–14:00Leave the hotel for the RER B at 13:00hard
What this plan gives up
- L2Shorten Eiffel Tower to 90 min (minimum worthwhile visit) — protects: Leave the hotel for the RER B at 13:00.Shorten Eiffel Tower to 90 min (minimum worthwhile visit) — protects: Leave the hotel for the RER B at 1:00 PM.
Switches if the ground changes
- crowd Eiffel Tower → Café Marly (Louvre courtyard) (0′, then 28′ p90 to the anchor)
Why this route?
DFL 4.9 = PFL 1.6 + OFL 3.3 · walk 1.6 km (1 mi)1 mi (2 km) · steps ↑0 ↓0
P_late 4.0% (100 Monte Carlo runs) · margin p90 25′ · relax L2 · yield 6.8 · option value 0
Deadline: boarding 13:00 → latest arrival 12:45, slack 77′
trace: generated 2 · rejected p_late>0.15×1 · frontier 1 · seed 3226321234 · solver 0.2.0 · confidence high
After: Charles de Gaulle: allow 3 h before an international departure.