Free things to do in Bangkok

Bangkok rewards walking and boats more than tickets. The Chao Phraya river is the city's main free sightline: an orange-flag boat costs a few baht per hop and gives you the skyline, the temple spires and the commuter rush in one ride. Pair it with a temple courtyard, a park and a market and you have a full day for the price of a coffee.

Timing matters more than budget. Parks open at dawn and are at their best before the heat and traffic build. Temples are quietest in the first hour. Markets and Chinatown come alive after dark, when the heat drops and the food stalls fire up. If you only have one free day, do the river and temples in the morning, rest through the hot afternoon, then walk Chinatown at night.

The free sights cluster in three bands. Riverside: Wat Pho, Wat Arun's opposite bank, Tha Tien and Tha Chang piers, plus the river boats that link them. Central: Lumphini and Benjakitti parks, Siam's malls and the Saen Saep khlong boat. Old town and Chinatown: Phra Athit, Khao San's edges, Wat Saket's base and Yaowarat's food streets.

Distances are short but traffic is not. Walking between riverside piers is often faster than a taxi. Use the MRT and BTS for the long hops and boats for anything along the water. Coordinates below are approximate city-centre points for orientation.

Carry small notes and coins. Boats, buses and most street food are cash-only, and vendors rarely have change for a 1,000 THB note. Keep a few 20 and 100 THB notes for fares and snacks.

Dress for temples even when the visit is free. Shoulders and knees covered is the usual rule; a light scarf or long shirt in your bag solves it. Shoes come off at temple buildings, so slip-ons help.

Drink water and pace yourself. Bangkok heat and humidity drain you faster than the distance suggests. Free refill points are rare outside malls; a refillable bottle plus a 7-Eleven stop is the cheap pattern.

Watch the basics. Tuk-tuk drivers offering a very cheap tour usually include a shop stop; agree the fare and destination first. Keep bags zipped in markets and on crowded boats. See is bangkok safe for the common scams.

November to February is the cool, dry window and the best time for walking, parks and river rides. December and January are the busiest, so start early. March to May is hot; shift outdoor plans to dawn and evening and use malls and markets in the middle of the day.

May to October is the southwest monsoon: short, heavy afternoon downpours rather than all-day rain. Free sights still work if you plan around them: river boats run in rain, malls and markets are covered, and the parks dry out quickly. If a storm catches you, see things to do in bangkok when it rains.

Check the calendar before you go. Thai public holidays and festival days can close temples or change boat and market hours, and some free-entry days are busier than usual (check).