Hang Ba Deep Jungle Expedition (4 Days 3 Nights)

This 4 days 3 nights adventure into Phong Nha-Ke Bang — a UNESCO World Heritage site in Quang Binh, home to the planet's greatest caves — is operated by Oxalis Adventure, the licensed specialist for the Tu Lan and Son Doong cave systems. The route takes in Hang Ba, Phong Nha-Ke Bang National Park core zone, Primary rainforest and Underground rivers.

This is a join-in small-group expedition (join-in, max 10 guests) with professional guides, safety assistants and porters to international safety standards. Adventure level: Hard. Price: 38,600,000 VND (~$1457) per person.

Why this route works

Oxalis Adventure holds the operating licence for these caves and runs every tour with cave experts trained by the British-Vietnam Cave Expedition team. Spread across 4 days 3 nights, the expedition includes wild jungle/cave camping with full logistics — meals, tents and safety gear all provided. Group size is capped for safety and conservation.

What you will experience

• A pioneering biodiversity-conservation expedition into the wild Hang Ba area
• Four days deep in the strictly protected core zone of the national park
• Trek primary rainforest, swim river caves and camp far from civilisation
• Small group of max 10 with Oxalis' full safety and conservation team

Who is this tour for

A demanding expedition for fit, experienced adventurers — trekking experience and a good fitness base are required (able to run 5 km and climb several flights without trouble). All equipment, safety briefing and trained staff are provided.

What is included

• Pickup/drop-off in Phong Nha
• Tour guide, safety assistants, chef, porters, park ranger
• All meals and drinking water
• Camping and safety equipment
• VAT, entrance, environment and national park fees

Good to know

Cave tours run seasonally (most operate roughly January–August/September; some longer) and routes are weather dependent — paths can be muddy and slippery in rain and may be modified for safety. Bring trekking shoes, quick-dry clothing and swimwear. Booking is confirmed on full payment; a full refund applies if cancelled 7+ days before departure. From $1457 per person, reconfirmed by date and availability at booking.