Maze Cave, also known as Hang Me Cung, is a popular attraction located within Halong Bay, a UNESCO World Heritage site in Vietnam.

1. Maze Cave is famous for its unique geological formation, featuring a maze-like structure with numerous chambers and passages. As visitors explore the cave, they will encounter stunning stalactites and stalagmites that have been formed over thousands of years. The cave is also known for its beautiful colors, which are illuminated by artificial lighting.

2. The working time of Maze Cave can vary, so it is recommended to check with local tour operators or the Halong Bay management office for the most up-to-date information. Unfortunately, there is no specific phone number available for the cave.

3. To visit Maze Cave, travelers usually book a tour that includes transportation from Hanoi to Halong Bay. Once in Halong Bay, visitors can explore the cave by boat or kayak. The entrance fee to the cave is typically included in the tour package, but it’s advisable to confirm this with your tour operator in advance.

Overall, Maze Cave in Halong Bay offers a unique and adventurous experience for travelers looking to explore the breathtaking natural beauty of the area.