Everything you need to know about Northern Thailand's lantern festival — dates, etiquette, and where locals actually go.
The photograph you have seen — a thousand lanterns lifting off a dark field in perfect unison — is real, and it is almost certainly not what you will get by turning up in Chiang Mai during Yi Peng. Understanding why is the difference between a disappointing week and a very good one.
What Yi Peng actually is
Yi Peng is the Lanna (Northern Thai) festival of lights, held on the full moon of the second Lanna month. In 2026 the main Yi Peng dates fall on November 24–25, with Loy Krathong on November 25. Releasing a khom loi (sky lantern) symbolizes letting go of misfortune; the photographs of a thousand lanterns rising at once come from this night.
The famous mass releases are mostly ticketed events outside the city. In Chiang Mai itself, the celebration is more scattered and, many would argue, more genuine: lanterns going up from riversides, temple courtyards strung with lights, and krathong floating down the Ping River.
The lantern reality
Sky lanterns are not released freely across Chiang Mai. Because the city sits under active flight paths, releases are restricted to specific times and areas, and the permitted windows are announced by the provincial authorities each year, usually only a few weeks in advance.
Releasing outside those windows is an offence, and the penalties are not symbolic. Flights in and out of Chiang Mai are also routinely rescheduled or cancelled around the festival, which matters if you have booked a tight connection.
The synchronised mass releases in the famous images are private ticketed events held outside the city. They sell out months ahead, and prices run to the thousands of baht. If that specific photograph is your goal, it needs to be booked well before you book anything else.
Where locals go
Skip the expensive release events unless the iconic photo is the whole point. Instead, spend the evening around Nawarat Bridge and the Ping riverbank, where families release krathong, or in the old city's temples — Wat Phan Tao's lantern-lit courtyard is the most atmospheric spot in town.
Book accommodation months ahead; the city fills completely during festival week.
What else is happening that week
The lanterns get the attention, but the festival around them runs for several nights. Houses and temples across the north hang lantern lights and build decorated gateway arches, and the temple fairs go on well past the headline dates.
Tha Phae Road carries the parades, which are worth catching for the Lanna costume and the floats even if you have no interest in the lanterns. The old city temples light their courtyards for multiple evenings, so a night when the crowds are thinner still gets you the atmosphere.
The Ping riverbank is the quiet half of the festival. Families come down at dusk with krathong, and the water side of the week has none of the ticketing, scheduling or queueing that the sky side does.
Know before you go
Both festivals follow the lunar calendar, so the dates move every year and are usually confirmed only a few months out. Do not book flights against a guessed date — wait for the provincial announcement.
Accommodation in the old city sells out and roughly doubles in price during festival week; three to four months ahead is not early. Expect road closures around Tha Phae and the moat on the main nights, and plan to walk.
Bring a krathong made of banana trunk or bread rather than foam — many areas ban foam outright — and check the current year's lantern rules and permitted release areas before you plan anything around them. The regulations have tightened repeatedly and are enforced.
