Discover a hidden chapter of history deep within the rugged mountains Truong Son. Amid the dense forests of the Bru-Van Kieu indigenous community, Cha Loi Cave served as a vital strategic command post where General Vo Nguyen Giap once lived and worked during the period from 1971 to 1973.

This is a true “off-the-beaten-path” experience. While most adventurers flock to the central cave systems of Phong Nha, we invite you to head south to explore at your own pace, far from the crowds, in a landscape defined by history and deep, quiet nature.

Essential clothing

Trekking clothes:

•  1 quick-dry, bright, long-sleeved shirt
•  1 pair of – long trekking pants (quick-dry)
•  1 waterproof jacket (for winter months November to March)
• 1 pair of good gripping trekking/approach closed shoes. Heavyweight trekking boots are not necessary
• 1 pair of calf-length, thick socks
• Clothes to change after the trek
• Footwear to change after the tour (If you use your own trekking shoes)

Personal items

• A small backpack for your personal items. Please remember that you will get wet in this tour.
• Mosquito repellent
• Sunglasses, sun hat, sunscreen
• Hand fan for summer (April to August – optional)
• Medium towel
• Personal medication
• Passport

Optional items

• Arm cover if wearing short-sleeved T-shirts
• Camera & Tripod
• Bandana or headband
• Swimwear
• Rehydration tablets
• Blister prevention tape

• Caving and safety gears: helmet, headlight, gloves, …
• Basic jungle boots (EU size 36–46); if using the tour operator’s shoes, please bring thick, long socks and 2 insoles to ensure comfort.
• Water bottle
• Compost toilet, toilet paper, hand cleaner
• Shared dry box for electronic devices
• First-aid kit and medical rescue equipment
• Satellite phone

This tour is rated at easy/average adventure level. It does not require technical rock climbing or rope-ascent skills, but it is an active, raw exploration.

Over a 5-kilometer route, your body will experience a full dynamic workout—you will be hiking over rugged karst terrain, crouching/crawling through low-ceiling tunnels, climbing over smooth limestone boulders, and wading or swimming through refreshing underground rivers.

If you enjoy regular active walks, yoga, or basic outdoor sports, you have the exact fitness level needed to thrive on this trip.

If not, please prepare for the trip as the instruction below:

Regularly participating in physical activities (such as yoga, swimming, hiking, running, stair climbing, gym, and some other sports to maintain physical fitness). This ensures that they are able to:
– Run continuously for 3 kilometres within 30 minutes.
– Climb 5 floors continuously without experiencing shortness of breath or dizziness.