Dear UCBears, Greetings from Oxalis Phong Nha, the sole operator of Tu Lan Caves. We have re-opened all the Tu Lan tours since February 9th, 2019. Please visit the website of Oxalis Adventure or leave us your email, we can help reserve a place on your arrival date. Hope to see you soon. Best Regards, Oxalis Adventure Team

Hi Thinh, Thank your for getting in touch to us on TripAdvisor. The answer is Yes, you can. We collaborate with many travel agencies in Vietnam and around the world. You can just pick one and we're sure that they will give you all of necessary information regarding to your desired tour. We wish to welcome you in Phong Nha to join us on the exciting adventures soon. Best regards, Oxalis Adventure Team

Dear Pallavi R, Thank you very much for your interest in Oxalis Adventure. We would like to answer your questions as following: 1.All tours are closed for safety reasons during the rainy season from mid-September to mid-November. Tu Lan adventure tours will be reopened on 13th November 2018 and other tours will open later on. 2. Yes, Oxalis is the sole tour operator running adventure tours to Tu Lan cave system. 3. We do have many options with or without swimming activity to visit Tu Lan cave system. Please be advised that your safety is our top priority, we will provide on tours with high quality safety equipment and a team of professional guide and assistants who are qualified in safety practices to ensure your safety all the way of your tours. Should you have any further question, please feel free to hit us an email or chat with our adventure consultants on our website. We are pleased to help you with the plan and tour details. Once again, thank you for your questions. We wish to welcome you in Phong Nha to join us on the exciting adventures soon. Best regards, Oxalis Adventure Team

On some particular tours you might need your swimming skills but as other adventurers mentioned, you will wear your life-vest almost all of the time you touch the water. If the water temperature is not ideal for swimming, the team will consider to let the squad explore the cave on dry paths. Safety is our top concern so don't be too worried!

You can book Son Doong and Tu Lan expedition but maybe not essential. I would prefer Son Doong.

Hi, you can fly from Hanoi to DOng Hoi daily via VIetnam Airlines/VASCO, or take night train from Hanoi, 7pm and 11pm and you will get to Dong Hoi 5am and 8am next morning. YOu can also take night bus from backpacker hostel in Hanoi. See more detail on Arrival/Departure on Oxalis website. thanks