Luon Cave Halong Bay – Discovering the Secrets 2025

Luon Cave embodies both the splendor of nature and the richness of history. Visitors to this enchanting site shouldn’t miss experiences like kayaking and bamboo boating. In this article, join Halong Bay Cheers Tours to uncover the magical allure of Luon Cave Halong bay and the minimum cost for a journey here.

1. Where is Luon Cave Vietnam located?

Location: Situated on Bo Hon Island
Distance to pier: Approximately 14 km
Cave length: 60m
Height: 2.5 – 4m (depending on the tide)

Luon Cave is spectacularly located in the southern part of Ha Long Bay, within Quang Ninh Province, Vietnam. Specifically, it can be found on the northeastern tip of Bo Hon Island. This places it in a very popular and central area of the bay, making it easily accessible for most visitors. It’s often found on the same tour itineraries as other famous spots like Sung Sot Cave, which is just over a kilometer away.

The cave itself is unique because it’s a water tunnel leading into a serene, enclosed lagoon. Its position within a cluster of towering limestone cliffs means you can only enter it by smaller vessels like kayaks or bamboo boats, making the journey to and through it an intimate and memorable experience.

Where is Luon Cave Vietnam located?

2. The history of Luon Cave

Luon Cave is a result of immense geological processes spanning millions of years. It was formed by the relentless forces of nature:

Tectonic Uplift: The region experienced significant tectonic movements that uplifted ancient marine sediments, forming thick layers of soluble limestone.
Erosion by Water: Over eons, rainwater (slightly acidic) seeped into cracks and fissures in the limestone, slowly dissolving the rock. Simultaneously, the constant ebb and flow of tides and sea breezes eroded the lower sections. The presence of ancient fossilized freshwater shells on the cliffs suggests that the area was once home to early human settlements.

Luon Cave is a natural wonder discovered by local inhabitants. Beginning in 1995, research teams from Italy surveyed the cave and found fossilized shells of oysters, snails, and crabs dating back millions of years. Luon Cave was formed by the erosion of sea wind, water, and tides. Over the millennia, these elements sculpted this world wonder.

Unlike some other caves in Halong Bay (like Thien Cung or Sung Sot), Luon Cave isn’t strongly associated with specific elaborate Vietnamese legends or folklore directly connected to its formation or use by mythical figures. Its allure comes more from its unique geological structure – a water-filled tunnel leading to a secluded lagoon – and the serene, mystical experience it offers to visitors.

The history of Luon Cave

3. Luon Cave Highlights

Luon Cave is a wonder that embodies both majestic beauty and profound historical significance. The cave itself is like a tunnel, measuring 100m long, 4m wide, and 3m high.

3.1. Geological Features

Luon Cave is one of Halong Bay’s most captivating and frequently visited highlights, renowned for its unique geological structure and the serene lagoon it encloses. Unlike many other caves in the bay that are explored on foot, Luon Cave is a water cave, meaning visitors enter and explore it entirely by boat.

The experience begins by passing through a low, arched limestone tunnel, which can only be navigated by small, non-motorized vessels like kayaks or traditional bamboo rowboats, creating an intimate and immersive connection with the natural environment.

3.2. Natural Beauty Inside

Beyond the narrow, picturesque tunnel, the cave opens up into a stunning, tranquil, and entirely enclosed lagoon. This hidden lake, approximately 1 square kilometer in size, is surrounded by towering limestone cliffs covered with lush green vegetation, creating a peaceful sanctuary isolated from the open bay. Highlights of this secluded area include crystal-clear emerald waters, often so transparent that you can spot fish swimming below.

Natural beauty inside Luon Cave

Looking around Luon Cave, you’ll see lush green bushes, colorful orchids, and even ancient trees with sprawling branches. The still lake surface washes away the hustle and bustle of life, leaving only peace in your soul.

If you’re lucky, you might also catch a glimpse of playful golden monkeys that inhabit the surrounding cliffs, adding a touch of wildlife charm to the serene atmosphere. The overall experience offers incredible photo opportunities, a unique perspective on Halong Bay’s karsts, and a moment of quiet reflection amidst nature’s grandeur.

4. Things to do in Luon Cave Halong Bay

Luon Cave offers many meaningful activities, such as kayaking and bamboo boating. Let’s delve deeper into these wonderful experiences.

4.1. Take a bamboo boat tour for sightseeing

When you board a Luon Cave bamboo boat, a sense of peace and tranquility will envelop you. Gliding gently through the natural archway, you’ll feel the pristine nature, gaze upon the clear blue water, and admire the majestic stalactites.

A bamboo boat trip allows you to hear the gentle splash of paddles and observe the unique ecosystem within the lagoon. Another world unfolds, a world free from the noise and rush of everyday life.

Take a bamboo boat tour for sightseeing in Luon Cave

4.2. Have funny moments with monkeys

At Luon Cave, you’ll have the chance to encounter wild golden monkeys living on the precarious cliffs around the lagoon area. With their friendly nature, they often greet or seek food from visitors. Moments spent interacting with them will bring about refreshing laughter.

4.3. Kayak through the cave

Luon Cave kayaking is an activity for visitors who wish to explore every corner here and directly feel the cool water beneath their hands. Freely controlling your kayak, you’ll weave through the low cave archway, admire the unique rock patterns, and experience the pristine, majestic beauty of creation in the most authentic way.

Kayak through the cave

4.4. Stop by Sung Sot Cave

Sung Sot Cave is also located on Bo Hon Island, only about 2-3 km from Luon Cave, so you can combine visiting both sites for greater convenience.

Sung Sot Cave comprises two main chambers. In the first chamber, the cave ceiling is covered with glittering stalactites. Stone figures of elephants, flowers, seals, and other forms appear vividly, captivating visitors.

Moving to the second chamber, visitors will admire figures associated with the legend of Saint Giong. Near the exit are rock formations resembling Saint Giong’s horse and his long sword. Inside the cave, there are small ponds resembling the footprints of Giong’s horse.

Upon reaching the highest point of the cave, a colorful garden emerges, with a clear pond, lush greenery, and diverse birds. Flocks of monkeys often descend here to find fruit, enlivening the entire area.

Stop by Sung Sot Cave

>> Read more: Thien Cung Cave Reviews – All things you need to know

5. Useful tips to visit Luon Cave Ha Long Bay

When visiting Luon Cave, please note a few important points:

Best time to visit the cave
How to get there?
How much for visiting Luon Cave?

5.1. Best time to visit the cave

To ensure a truly memorable and complete trip to Luon Cave, you should consider the timing of your visit:

Spring (March – April) and Autumn (September – November): During these periods, the weather is cool, the sky is clear, and rainfall is minimal. These are ideal months for kayaking and fully admiring the beauty of Luon Cave.
Early morning or late afternoon: At these times, the number of visitors is not too crowded, and you’ll also have the opportunity to watch the sunrise or sunset over the bay. The gentle light creates a sparkling and magical scene.

In addition, here are some times when you should not visit Hang Luon:

Peak summer (June – August): This period often brings intense heat and sudden storms. It’s also the peak tourist season, so Luon Cave will be very crowded, reducing your sense of peace and personal experience.
During the rainy season (July – September): You might face tour cancellations or sudden schedule changes. Water levels can rise or fall abnormally, making travel by bamboo boat or kayak difficult.
Around midday: At this time, the sun is blazing, and a large number of tourists flock to the area. This can make you uncomfortable when exploring and taking photos, detracting from the relaxation that Luon Cave offers.

Best time to visit the cave

5.2. How to get there?

To visit Luon Cave, you have two main transportation options: renting a private boat or booking a Halong Bay cruise tour.

5.2.1. Private Boat Rental

You’ll travel to Bai Chay Ferry Terminal and charter a boat to explore Luon Cave. From Halong City center, head along National Highway 18; it takes about 9 minutes to reach Bai Chay (approximately 6.4 km).

5.2.2. Halong Bay Cruises Booking

Most cruise ships have integrated Luon Cave into their Halong Bay exploration itineraries. Many visitors opt for cruise tours due to several valuable benefits, such as:

Transportation: Cruises provide round-trip transportation, saving you time and effort.
More Destinations: A cruise itinerary allows you to explore Luon Cave along with many other famous landmarks like Hang Sung Sot, Ti Top Island, or the Ba Trai Dao area, all at once.
Professional Tour Guide: You’ll always have a companion to ensure safety, provide interesting information, and keep to the schedule, ensuring a smooth trip.
Comfortable Accommodation: After hours of exploration, you can return to the cruise ship to relax in your cabin and enjoy drinks and local specialties.
Unique Activities: Besides visiting Luon Cave, you’ll also have the opportunity to participate in other exciting activities like kayaking, cooking classes, or night squid fishing right on the cruise ship.