Chao Phraya River

Wide and brown, busy with long-tailed boats, ferries, rice barges, and gleaming hotel cruisers, a great river curves through the middle of the city, temples and towers crowding its banks. This is the Chao Phraya, the river the Thais call the River of Kings, and the watery spine around which Bangkok grew.

For most of the city's history the river and its network of canals were the main roads, and life happened on the water as much as on land. Even now, with the city given over to traffic, the river remains a working highway and the best way to understand how Bangkok fits together.

A whole fleet plies the water. Public express boats run up and down like a bus route, cross-river ferries shuttle from bank to bank, and slender long-tailed boats with roaring engines dart between them. Riding the express boat is cheap, fast, and one of the great experiences of the city.

From the water you pass a parade of sights: glittering temple spires, the walls of the old royal city, grand old hotels, markets, modern towers, and humble wooden houses on stilts, all jumbled together. The river ties the ancient and the modern city into a single view.

Many of the great temples were built facing the river, so seeing them from a boat shows them as they were meant to be seen. The riverside temple with its tall spire, lit at sunset, is one of the defining images of the city.

Branching off the main river is a web of canals, the khlongs, that once earned Bangkok the name of an eastern Venice. A boat trip into them reveals a quieter, older way of life, with houses, temples, and gardens along the water away from the roads.

The river is at its best in the late afternoon and at sunset, when the heat eases, the light turns gold, and the temple spires and towers glow. Many people take an evening boat trip or dinner cruise simply to be on the water as the city lights come on.

The river is also simply useful. The express boats and ferries link many of the main sights, from the old royal city to the markets and the modern centre, often faster than fighting through the traffic on land, and far more pleasant.

Watch the life of the river as you go: monks in robes on the ferries, vendors with food, commuters, and children waving from the banks. The river is not a museum piece but a working part of daily life, and that is much of its charm.

Piers line both banks, and a tourist boat with commentary runs between the main sights, while the cheaper local express boats serve the same stretch. Either lets you hop on and off at temples, markets, and the old city through the day.

A few practical notes. Buy a ticket at the pier or on board; the colour-flagged express boats make different stops, so check before boarding. Hold the rail, as boats can lurch at the piers, and come late in the day for the cooler air and the best light.

Find a seat at the rail of a boat, with the warm air moving and the temples and towers sliding past, and let the river carry you for a while. More than any single monument, the Chao Phraya is the thread that holds Bangkok together. When you step back onto a pier, the noise of the streets returns at once.