Phong Nha

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Why visit Phong Nha?

Phong Nha is a small town in north-central Vietnam and the gateway to Phong Nha-Kẻ Bàng National Park. The park protects a huge limestone karst landscape with jungle-covered mountains, rivers and some of the largest caves in the world. It is a UNESCO World Heritage Site and Vietnam's top destination for caving.

Boats travel along the Son River into Phong Nha Cave, a long river cave with impressive rock formations. Paradise Cave (Thiên Đường) has a wooden boardwalk through vast chambers filled with stalactites and stalagmites. At the Dark Cave, visitors can zip line, swim and wade through mud inside the cave. The park is also home to Hang Sơn Đoòng, the world's largest known cave passage, which can only be visited on limited, multi-day expeditions. Cycling through rice fields and villages around the town is a relaxed way to spend a day. Local farmstays and homestays serve simple Vietnamese food, often with fresh river fish.

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Popular experiences in Phong Nha

The things travellers book most here. You pay the same price as booking direct.

🍽️Food & drink tours👨‍🍳Cooking classes🚌Day trips⏭️Skip-the-line tickets🚶Walking tours🌙Evening & night tours🛥️Boat trips & cruises

Top tours & activities in Phong Nha

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When to go to Phong Nha

The best months for Phong Nha are March, April, May, June, July and August. Highs then sit around 33°C, and a week here is affordable.

Jan
22°
low 17°
18 wet days
Feb
24°
low 18°
17 wet days
Mar
28°
low 21°
13 wet days
Apr
31°
low 24°
13 wet days
May
33°
low 26°
18 wet days
Jun
35°
low 27°
11 wet days
Jul
34°
low 27°
16 wet days
Aug
34°
low 27°
17 wet days
Sep
31°
low 25°
23 wet days
Oct
28°
low 23°
25 wet days
Nov
26°
low 21°
23 wet days
Dec
22°
low 17°
21 wet days
Highlighted = best monthsNumber = average daytime highBar = how wet the month is

Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Phong Nha, Quang Tri. Source: Open-Meteo.

Planning Phong Nha

Best time to visit VietnamMonth by month, measuredWhere to stay in VietnamWhich area suits youHow many days you need (Vietnam)What fits in a short or long stay

Phong Nha — common questions

When is the best time to visit Phong Nha?

The best months for Phong Nha are March, April, May, June, July and August. Highs then sit around 33°C, and a week here is affordable.

What is the weather like in Phong Nha?

June is the warmest month, with daytime highs around 35°C. January is the coolest, around 22°C by day and 17°C at night. October is the wettest, with about 25 wet days. Figures are measured averages, not estimates.

What is Phong Nha known for?

Phong Nha is best known for adventure, nature, budget and mountains. The things people come for: Phong Nha river cave, Paradise Cave, Dark Cave adventures, Sơn Đoòng expeditions.

Who is Phong Nha best suited to?

Phong Nha works particularly well for backpackers, groups of friends, solo travellers and couples. That is based on what there is to do there, not on who books it most.

What can you book in advance in Phong Nha?

The experiences that sell out first are food tours, cooking classes, day trips, skip-the-line tickets, walking tours and night tours. You can check availability and prices on our booking partners below — you pay the same as booking direct.

Food toursCooking classesDay tripsSkip-the-line ticketsWalking toursNight tours

Do I need a visa for Vietnam?

That depends on your passport and how long you are staying, so there is no single answer. TonyPlan has a visa and entry checker — put in your nationality and it tells you what applies to you.

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Get the Phong Nha guide as a PDF

Why to go, the best months with real measured temperatures, which area to stay in, and what flights cost right now — in one file you can read on the plane. Free.

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