Go beyond the video
Book tours and experiences in Hạ Long
Browse activities from local guides
Frequently Asked Questions
October to April, during the dry season for more comfortable underground visits
30–60 minutes
Camera for low light, Comfortable shoes, Flashlight or headlamp, Light jacket (cool underground temperature), and Water bottle
Adventure Travelers, Cultural Explorers, History Enthusiasts, Photographers, and Solo Travelers
Adventure Travel, Historic Exploration, Military History, and Underground Tour
The nearest airport is Cat Bi International Airport (HPH), a short 35-minute drive to Cát Hải.
Find nearby accommodations ranging from beachfront resorts to cozy guesthouses on Cát Hải island and Hai Phong city center.Book a stay →
Complement your bunker visit with island boat tours, visits to local fishing villages, or exploring Hai Phong’s vibrant markets.Book a tour →
