Thien Canh Son Cave, located in the pristine and untouched Bai Tu Long Bay, is known for its serene and lyrical beauty. If you want to visit Sung Sot or Thien Cung Cave but are afraid of crowds, this will be an equally wonderful alternative!

Overview of Thien Canh Son Cave

Thien Canh Son Cave, which the locals lovingly refer to as “Grass Cave,” is situated on Co (Grass) Island, which is the boundary between Ha Long Bay and Bai Tu Long Bay. The stunning stalactite system and the picturesque surroundings outside the cave, which blend together like a delicately crafted painting by Mother Nature, are the main reasons this cave is utilized for tourism.

What makes Thien Canh Son Cave unique?

Thien Canh Son Cave, with a moderate scale compared to other caves in Ha Long Bay, is distinguished by the pristine splendor of its stalactite system.

The cave is separated into two sections: the first is tiny and slightly confined, so visitors should use caution when moving around. Inside the cave, you may appreciate the clusters of yellow limestone that have accumulated over time and formed fascinating forms that appear to move back and forth before the viewer’s eyes.

Road for visitors in Thien Canh Son Cave. — Inside Thien Canh Son Cave.

Passing through the narrow trail connecting the two compartments, Thien Canh Son Cave seems to open up before your eyes. The second compartment of the cave is vast and broad, with massive stalactites rising from the cave floor or hanging down like large chandeliers. The sunshine beams down through the roof fissures, creating an astounding beauty reminiscent of a fairyland in Thien Canh Son Cave.

Inside Thien Canh Son Cave. — The magical view of Thien Canh Son Cave.

Thien Canh Son Cave captivates tourists not only with its unique beauty but also with the spectacular natural surroundings outside. Following the tiny walk at the end of the cave, you may enjoy a panoramic view of Bai Tu Long Bay, which features brilliant blue water and rich flora blooming on the overlapping islands. Visitors may also rest on the magnificent white sand beach near Thien Canh Son cave, enjoying the cold sea wind and the sound of waves. Visitors to this beach may also enjoy kayaking around Co Island!

Small beach under Thien Canh Son Cave. — Thien Canh Son Beach.

How to get to Thien Canh Son Cave?

To reach Thien Canh Son cave, which is around 20 kilometers from the coastline of Ha Long City, travelers must rent a boat and purchase a ticket for Route 4 to Bai Tu Long Bay.

The Grand Pioneers 1 and 2 Cruises are popular with many people on this route, with The Legacy Journey program focusing solely on Bai Tu Long Bay.

You may also rent a private boat or canoe to explore Thien Canh Son cave, but this would cost significantly more than hiring a boat as part of a package.

See more: Guide to Halong Bay Travel Routes.

Infomation

Explore the breathtaking scenery within Thien Canh Son Cave.

The stalactite system in Thien Canh Son Cave is stunning and vibrant, having been formed over thousands of years, and will undoubtedly provide tourists with an amazing experience!

Admire the stunning Bai Tu Long panorama.

Looking out from Thien Canh Son Cave, you will see the stunning natural landscape of Bai Tu Long Bay, with green limestone mountains joining on the undulating sea surface and shining in the sunlight.

Have fun at Thien Canh Son Beach.

Walking down to the foot of Thien Canh Son Cave, you’ll come upon a lovely tiny beach where you may swim in the calm water, rest on the white sand, or rent a kayak to explore the nearby bay.

People kayak on Thien Canh Son sea. — Kayak around Co Island.

Halong Bay

Ha Long Bay is located near Thien Canh Son Cave and Bai Tu Long Bay, well-known for its stunning natural beauty. A cruise trip to Ha Long Bay with numerous intriguing activities, such as exploring caves, kayaking, and fishing villages, will undoubtedly leave you with many lasting memories!

See more: Top Halong Bay Cruises 2025.

Cong Do Island

Cong Do Island is stunning in its raw beauty, with many meandering sea valleys generating natural lakes that are home to a diverse range of marine life, including rare coral reefs of a variety of hues.

Tung Ang Ecological Area

Tung Ang Ecological Area is located on Bai Tu Long Bay’s travel route No. 4, which is known for its biodiversity and geology. If you enjoy learning about nature, this is a must-see destination.

Luon Cave

Luon Cave is the ideal site to kayak in Ha Long Bay, thanks to its poetic appeal and crystal-clear seawater.

Vung Vieng Fishing Village

Vung Vieng, formerly regarded as the most beautiful fishing town in the world, has an extraordinarily modest beauty that reflects the cultural hues of northern fishermen’s lives.

Frequently Asked Questions

1. Is Thien Canh Son Cave suitable for children to visit?

Yes. In addition to the cave, Thien Canh Son Cave also has a small beach that is very suitable for children to swim and play water games. Therefore, this cave is an excellent choice for a family vacation!

2. Can the elderly climb Thien Canh Son Cave?

Unlike Sung Sot Cave, the climb to Thien Canh Son Cave is shorter and more comfortable, so visitors with mobility problems can still get through it. Otherwise, you can relax on the beach or a cruise.