Thien Canh Son Cave
Thien Canh Son Cave is undoubtedly one of the most stunning and captivating natural wonders in Ha Long. Situated on Hon Co Island in the Cong Do Nature Reserve, Bai Tu Long Bay, this cave is known for its exceptional beauty and tranquil surroundings. Located approximately 20 kilometers from the Tuan Chau International Tourist Wharf in Ha Long City, it offers an escape into nature that is both peaceful and awe-inspiring.
Thien Canh Son Cave
As part of a UNESCO-recognized natural heritage site, Thien Canh Son Cave and its surrounding environment have been carefully protected to maintain its pristine condition. The cave’s remarkable geological features and its surrounding flora and fauna contribute to its exceptional allure. Due to the variety of plant species growing around the cave, it is also affectionately referred to by locals as "Hang Co," which translates to “grass cave.” This nickname reflects the lush, green landscape surrounding the cave, giving it an almost otherworldly charm.
Thien Canh Son Cave is often described by visitors as a "fairyland," thanks to its breathtaking natural beauty that remains largely untouched by modern development. If you're looking for a peaceful retreat surrounded by nature's splendor, this cave in Ha Long Bay is the perfect destination.


Top 3 Must-Try Experiences in Thien Canh Son Cave
1. Explore the Splendid Beauty of the Cave
As one of Ha Long's most magnificent caves, Thien Canh Son Cave is filled with stunning stalactites and impressive rock formations that have left countless visitors in awe. The interior of the cave is relatively small but filled with intricate and beautifully shaped stalactites and stalagmites that make it a fascinating place to explore. Walking through the cave and witnessing the amazing natural sculptures formed over thousands of years offers a sense of wonder that makes this a truly unforgettable experience.
The cave's interior is a mix of mystery and majesty, with the darkness of the cave contrasting beautifully with the natural light filtering in from the outside, illuminating the rock formations. As you venture further into the cave, you'll be captivated by the peacefulness and the magical atmosphere that seems to surround every corner.
2. Admire the Breathtaking Scenery of Bai Tu Long Bay
Located on a mountain slope, Thien Canh Son Cave offers visitors a panoramic view of Bai Tu Long Bay that is second to none. Bai Tu Long Bay, one of the largest biosphere reserves in the Gulf of Tonkin alongside Ha Long Bay, is known for its pristine beauty and tranquil waters. After exploring the cave’s interior, it’s highly recommended to take a moment to stand outside and enjoy the majestic, poetic, and serene seascape of the bay.
From the viewpoint near the cave, the bay unfolds before your eyes in a breathtaking display of emerald waters, lush islands, and towering limestone karsts. The view from above is even more stunning, offering a bird’s eye view of the surrounding islands and the vast expanse of the bay. The peacefulness of the scene makes it a perfect spot for photography or simply for reflecting on the beauty of nature.


3. Take Part in Many Exciting Water Activities
Beyond exploring the cave itself, Thien Canh Son also offers visitors the chance to enjoy a variety of exciting water activities. A small white-sand beach located at the foot of the cave provides the perfect setting for swimming, kayaking, and relaxing by the sea. The crystal-clear waters of Bai Tu Long Bay are ideal for a refreshing swim, allowing visitors to immerse themselves in the natural beauty of the surroundings.
For those looking for more adventure, kayaking is a popular activity. Paddling through the calm, emerald waters of the bay offers a unique perspective of the towering limestone formations and secluded beaches, while also providing a chance to get closer to the area's rich marine life. Kayaking around Bai Tu Long Bay allows you to appreciate the elegance and serenity of the seascape, creating memories that will last a lifetime.
Thien Canh Son Cave in Bai Tu Long Bay is a must-visit destination for nature lovers, adventurers, and anyone seeking a peaceful escape into the heart of one of Vietnam’s most stunning natural landscapes. With its captivating beauty, rich biodiversity, and variety of activities, this cave is an experience that combines the best of Vietnam’s natural wonders. Whether you are exploring the cave’s incredible rock formations, admiring the panoramic view of Bai Tu Long Bay, or enjoying a day of swimming and kayaking, Thien Canh Son Cave promises to be one of the highlights of your trip to Ha Long.