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Paradise Cave and Phong Nha Cave

The two big show caves of Phong Nha — both accessible on a day trip from Đồng Hới, no fitness required, and visually extraordinary.

Published 2026-05-17· 6 min read· Vietnam Knowledge

Paradise Cave (Hang Thiên Đường) and Phong Nha Cave are the two famous show caves of Phong Nha–Kẻ Bàng National Park. Both are accessible without fitness or special gear, both are spectacular, and both can be done in a single day from Phong Nha town.

Paradise Cave (Hang Thiên Đường)

  • Discovered 2005 by British Cave Research Association, opened to tourism 2010.
  • Length 31 km total (one of the longest dry caves in Asia); 1 km open to visitors on a wooden boardwalk.
  • Style dry cave; you walk in, not float.
  • Highlights vast white-stalagmite forest, "Mother and Child" formation, "Buddha" stalactites.
  • Adventure section 7 km guided extension (book ahead), serious caving for fit visitors only.

The first 1 km is family-friendly: 524 steps up to the entrance, then flat boardwalk. The 7 km extension requires headlamps, harnesses and lasts a full day; it is run by Jungle Boss and Oxalis.

Phong Nha Cave (Động Phong Nha)

  • Discovered Mapped 1990; underground river cave system.
  • Length 7 km long, 1.5 km accessible by boat.
  • Style river cave; you enter on a wooden sampan from the Sơn river.
  • Highlights colour-lit limestone formations, an underground beach you can disembark on, vaulted river chambers.
  • Combined ticket with Tiên Sơn Cave (a dry cave above, 330 steps up).

The boat ride from Phong Nha town along the river to the cave entrance is itself one of the highlights — slow, scenic, fronted by karst.

Dark Cave (Hang Tối) — bonus option

Often combined with Phong Nha Cave for adrenaline-seekers: zipline 400 m across the river, swim into the cave, mud bath in a side chamber, kayak back. Run by Phong Nha Adventure (the park concessionaire). About 450,000 VND, half a day.

How to get there

Phong Nha town is the base. From Đồng Hới to Phong Nha is 50 km (1h, 120,000 VND shared van). Most Phong Nha guesthouses (Easy Tiger, Nguyen Shack) run cave shuttles for free or include them in tours.

From Phong Nha town:

CaveDistanceTransport
Paradise Cave22 kmScooter, taxi, or tour van
Phong Nha Cave4 kmBoat from town pier
Dark Cave18 kmTour combo only

When to go

February to August. Phong Nha Cave's boat access can be suspended in heavy monsoon (September–November) when the river is too high. Paradise Cave stays open year-round but the access road is grim in rain. Dawn and late afternoon are best for the boat approach; midday is too bright for cave-mouth photos.

Cost

CaveEntry (VND)
Paradise Cave (first 1 km)250,000
Paradise 7 km adventure2.8m+
Phong Nha Cave entry150,000
Phong Nha boat (up to 12)550,000
Tiên Sơn Cave add-on80,000
Dark Cave combo450,000

You can buy entry tickets at the cave booths. Boat tickets for Phong Nha Cave are sold at the town pier — get there early in peak season.

Practicalities

  • Wear shoes with grip; cave floors are wet in places.
  • The 524 steps at Paradise Cave knock the wind out of unfit visitors.
  • An electric buggy from car park to steps base is available for 60,000 VND.
  • No food inside the caves; small canteen at Paradise Cave entrance.
  • Photography is allowed (no flash on stalagmites).

Honest take

If you have one day in Phong Nha and no time for a serious adventure trip, do this: Paradise Cave in the morning, Phong Nha Cave by boat after lunch, drinks in town at sunset. You see the geology that makes Phong Nha world-famous, you keep your knees, and you spend under 1m VND. For anything more — and assuming reasonable fitness — graduate to Hang Én which is the genuine next step up.


Related: Sơn Đoòng expedition · Hang Én cave · Phong Nha–Kẻ Bàng NP · Phong Nha town

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