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The two islands: Cité to Saint-Louis
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The two islands: Cité to Saint-Louis

Sainte-Chapelle's glass, the prow of the island, and Berthillon at the far end.

Photo: Pierre Blaché / Wikimedia Commons, CC0

Drafted by Claude — the editor hasn’t walked this one yet. We’ll update this notice once it’s been verified on the ground.

Distance

2.8 km

Time

~ 75 min

Difficulty

Easy

End

Pont Marie (M7)

Best at

morning

Right now
36°C· Mostly clear

Open in Maps for turn-by-turn, or take it offline as GPX.

These are the two islands the rest of Paris grew out of, and you can walk both before lunch. Under three kilometres: the Cité for the monuments, Île Saint-Louis for the quiet, and the river the whole way round.

Start with Sainte-Chapelle, early enough to beat the gate queue — the upper chapel's wall of thirteenth-century glass is worth the alarm. Out and east to the Notre-Dame square, whole again since the December 2024 reopening; read the façade from the parvis even if you skip the door. Then double back to the island's western tip and drop down into the Square du Vert-Galant, a pointed park at water level where the river forks around your feet.

Cross the Pont Neuf — the oldest bridge in the city, against its own name — and take the quays east to the second island. Rue Saint-Louis-en-l'Île is its single spine, slower and lower-key than everything behind you. End with Berthillon, made on the island; if the shop is shut for August or a Monday, a nearby café scoops the same tubs. Pont Marie takes you out.

The route

On the map.

Elevation

85 m·82 m·2752 m ASL

Stops along the way

Things to notice.

  1. 01
    1

    Sainte-Chapelle

    Go first and go early — the queue is for the security check at the law-courts gate, not the chapel itself. Upstairs, fifteen metres of thirteenth-century stained glass on a clear morning is the reason to set an alarm. Book a slot ahead if you can.

  2. 02
    2

    Notre-Dame parvis

    The cathedral reopened in December 2024 after the fire and the rebuild, so the front is whole again. The square is the better view; if you don't want the interior queue, just read the façade from out here.

  3. 03
    3

    Square du Vert-Galant

    Down the steps behind the Henri IV statue to the very tip of the island, at water level. A pointed little park where the river splits around you — bring a coffee and sit on the point.

  4. 04
    4

    Pont Neuf

    The oldest standing bridge in the city, despite the name. Cross it for the carved stone faces along the parapet, then take the stairs back down to the quays rather than the traffic above.

  5. 05
    5

    Rue Saint-Louis-en-l'Île

    The single spine running the length of the smaller island. Walk it slowly for the food shops and the *hôtels particuliers* (private mansions); the whole street is quieter than anywhere you've just been.

  6. 06
    6

    Berthillon

    The ice cream the island is known for, made on site. Expect a queue at the shop and a shorter one at the cafés nearby that scoop the same tubs. The shop tends to shut for August and Mondays — a *café* round the corner saves you either way.