Dark and Bright Cave
Ha Long, Vietnam •
Underrated
Underrated



Best months to visit
Apr, Jun, Jul
21°C – 31°C, april brings warmer temperatures to ha long bay, ranging from 21, high crowds, peak season
21°C – 31°C, april brings warmer temperatures to ha long bay, ranging from 21, high crowds, peak season
Walking required
No
Access via kayak or bamboo boat; not wheelchair accessible.
Access via kayak or bamboo boat; not wheelchair accessible.
Value for money
Medium
Pricey, but the unique experience justifies the cost.
Pricey, but the unique experience justifies the cost.
Highlights we curated for you
See what similar travellers think of this activity


C
Reviews from other travelers
Summarised by AI
Romantic Getaway
Couples loved the serene lagoon. Kayaking was an intimate, unforgettable experience.
Breathtaking Beauty
The contrast of dark and bright caves was stunning. A truly magical moment for couples.
Highly Recommended
Perfect for couples seeking adventure and tranquility. A must-do in Ha Long Bay!
Crowded Tours
Some couples felt the tours were too crowded during peak season. Less privacy.
Restricted Access
Dark Cave access is limited due to tides. This limited the experience.
Pricey Excursion
Couples found the tour prices a bit high for the experience duration.
How to book
Hours of operation
Monday
08:00 AM - 06:00 PM
Tuesday
08:00 AM - 06:00 PM
Wednesday
08:00 AM - 06:00 PM
Thursday
08:00 AM - 06:00 PM
Friday
08:00 AM - 06:00 PM
Saturday
08:00 AM - 06:00 PM
Sunday
08:00 AM - 06:00 PM
In-depth experience
May contain spoilers
Watch curated videos from fellow travellers for a glimpse of what to expect.
When to visit
We've analysed user reviews and geographical data, and identified the best and worst months to visit.
Month
Crowd Level
Weather
Availability
Our recommendation
December
HIGH

15-22°C
December brings cooler temperatures between 15°C and 22°C, with a 15% chance of precipitation. The sea temperature drops, making water activities less favorable.
December brings cooler temperatures between 15°C and 22°C, with a 15% chance of precipitation. The sea temperature drops, making water activities less favorable.
Open
Limited availability due to high demand; advance booking is crucial.
Limited availability due to high demand; advance booking is crucial.
Recommended
December is part of the peak tourist season, coinciding with holidays and festivals. While the weather is cooler, the festive atmosphere and events make it an appealing time to visit. Expect higher prices and crowded conditions; plan and book well in advance.
December is part of the peak tourist season, coinciding with holidays and festivals. While the weather is cooler, the festive atmosphere and events make it an appealing time to visit. Expect higher prices and crowded conditions; plan and book well in advance.
January
LOW

14-20°C
January in Ha Long Bay is characterized by cool temperatures ranging from 13.7°C to 20.1°C, with an average of 17°C. The month is relatively dry, receiving about 32mm of rainfall over approximately 15 days. Visitors can expect around 7 hours of sunshine daily, though mornings may be foggy.
January in Ha Long Bay is characterized by cool temperatures ranging from 13.7°C to 20.1°C, with an average of 17°C. The month is relatively dry, receiving about 32mm of rainfall over approximately 15 days. Visitors can expect around 7 hours of sunshine daily, though mornings may be foggy.
Open
Some tourist services may have limited hours during the Lunar New Year (Tet) celebrations, which can fall in late January or early February.
Some tourist services may have limited hours during the Lunar New Year (Tet) celebrations, which can fall in late January or early February.
Recommended
January offers a serene atmosphere in Ha Long Bay with cool, dry weather. It's an excellent time for sightseeing and exploring the bay's natural beauty without the usual crowds. However, swimming might be less appealing due to cooler sea temperatures.
January offers a serene atmosphere in Ha Long Bay with cool, dry weather. It's an excellent time for sightseeing and exploring the bay's natural beauty without the usual crowds. However, swimming might be less appealing due to cooler sea temperatures.
February
MEDIUM

15-21°C
February continues the cool and dry trend in Ha Long Bay, with temperatures ranging from 15°C to 21°C. Rainfall is slightly higher than January, averaging around 22mm over 4 days. The bay experiences about 7 hours of sunshine daily, with occasional morning fog.
February continues the cool and dry trend in Ha Long Bay, with temperatures ranging from 15°C to 21°C. Rainfall is slightly higher than January, averaging around 22mm over 4 days. The bay experiences about 7 hours of sunshine daily, with occasional morning fog.
Open
During Tet, some businesses and services may operate on limited schedules or close temporarily.
During Tet, some businesses and services may operate on limited schedules or close temporarily.
Recommended
February offers pleasant weather for exploring Ha Long Bay. The Lunar New Year festivities provide a unique cultural experience, though visitors should be prepared for increased crowds and higher prices during this period.
February offers pleasant weather for exploring Ha Long Bay. The Lunar New Year festivities provide a unique cultural experience, though visitors should be prepared for increased crowds and higher prices during this period.
March
MEDIUM

18-24°C
March marks the transition to warmer weather in Ha Long Bay, with temperatures between 18°C and 24°C. Rainfall increases to around 40mm over 6 days. The bay enjoys approximately 7 hours of sunshine daily, with reduced fog compared to previous months.
March marks the transition to warmer weather in Ha Long Bay, with temperatures between 18°C and 24°C. Rainfall increases to around 40mm over 6 days. The bay enjoys approximately 7 hours of sunshine daily, with reduced fog compared to previous months.
Open
No significant restrictions during this month.
No significant restrictions during this month.
Recommended
March offers comfortable weather conditions for various activities in Ha Long Bay. The increasing temperatures and manageable crowd levels make it a favorable time to visit.
March offers comfortable weather conditions for various activities in Ha Long Bay. The increasing temperatures and manageable crowd levels make it a favorable time to visit.
How to get there

Boat

Ferry
Additional info
Here's what you need to know about this experience
Mobility
Wheelchair Accessible
Walking Required
Stairs Present
Seating Available
Flat Terrain
Hiking Required
Elevator Available
Mobility Scooter Friendly
Ramps Available
Pregnancy
Suitable for pregnancy
Allowed during pregnancy
Pets
Pets not allowed
Driving
Driving License Required
Idp Required

Viator
