Rembrandt was 25 when he left Leiden for Amsterdam. His hometown, for its part, has never stopped cultivating what shaped him: canals, books and painting. A port of call on Dutch river cruises, it offers passengers a condensed taste of the Golden Age, with 28 km of canals, 88 bridges and the oldest university in the Netherlands, founded in 1575.

A Gentle Arrival

River ships moor near the historic centre, which you reach on foot along the quays. The old town can be explored entirely on foot: everything is organized around the two branches of the Old Rhine, the Oude Rijn, which meet right in the heart of the city. Recommended first move: simply follow the water and let the gabled façades unfold their parade of brick.

Young Rembrandt's Town

The most famous painter of the Netherlands was born here in 1606, the son of a miller established near the Rhine. A marked route links the places of his youth: the site of the family home, the Latin school where he learned to read, the views he may have contemplated. No major painting is kept here, but walking these streets helps you understand where his light came from — the changing light of Dutch skies over the water of the canals.

De Valk, the Sentinel Windmill

On the edge of the ring canal that encircles the old centre, De Valk windmill raises its sails above the rooftops. Now a museum, it can be visited from cellar to top: the miller's quarters, the machinery, the outdoor gallery from which the view takes in the centre. It is the last survivor of the nineteen windmills that once crowned the ramparts, and a fine introduction to the town's craft history.

The Hortus Botanicus and the Lakenhal

Next to the university, the Hortus botanicus has been growing rare plants in historic greenhouses since the late 16th century; it was in this garden, one of the oldest in Europe, that the first tulips in the Netherlands were planted. Shaded paths run past the observatory and ponds, a perfect refuge between visits. Nearby, Museum De Lakenhal, housed in the former cloth hall, presents the history of the textile trade that made Leiden's fortune, along with works by local masters, including panels by Lucas van Leyden.

Strolling Like a Student

Leiden lives to the rhythm of its university, the oldest in the country, and you can hear it in the cafés and bookshops. A few ideas for soaking up the atmosphere:

• Climb the Burcht, a circular fortified mound amid the rooftops, for a panorama over the church spires.
• Look for the wall poems painted on façades, in every language, scattered throughout the streets.
• Sit down on a quay along the Nieuwe Rijn, where the patios almost float on the water.
• Board a 45- to 75-minute city cruise beneath the bridges of the centre.

A Town That Reveals Itself Slowly

Leiden doesn't seek to impress: its treasures reveal themselves door by door, courtyard by courtyard. The hofjes, almshouse courtyards hidden behind discreet gateways, are the best example; gently pushing a half-open door sometimes reveals a silent garden lined with 17th-century cottages.

Heading back to the ship along the quays, you think again of the miller of 1606 and his son who became a master of light. The town has kept the setting almost intact, the water, the brick, the shifting skies — all that's missing is the easel. It's up to each passenger to take home their own painting.