Cát Bà National Park
Cát Bà island's forested core, home to the critically endangered golden-headed langur, with trekking, marine protection and limestone scenery.
Cát Bà National Park covers roughly half of Cát Bà, the largest island in Hạ Long Bay's archipelago. It protects the last 70-odd golden-headed langurs on Earth and a swathe of limestone forest that drops straight into the sea.
What it is
109 km² of land park plus 53 km² of marine reserve, gazetted 1986 and a UNESCO Biosphere Reserve since 2004. The core attraction is the karst forest, mangrove edges, and the langur sanctuary on Cát Dứa peninsula. Birding is excellent — over 70 species recorded.
What to see and do
- Kim Giao–Ngự Lâm peak trail — 1.5 km steep climb to a viewing tower over the canopy. Allow 90 minutes return.
- Ao Ếch–Việt Hải traverse — the classic 6-hour trek across the island to Việt Hải fishing village. Boat back to town.
- Hospital Cave — a Vietnam War-era hospital built into the karst, on the road in. 80,000 VND entry.
- Langur watching — best done by boat with Cát Bà Langur Conservation Project to Cát Dứa, not in the park core.
- Frog Lake (Ao Ếch) — a karst-rim wetland, 4 km from HQ, birdy and quiet.
How to get there
From Hanoi the standard route is bus + ferry combo via Hải Phòng, around 3h30 total. Several operators (Cát Bà Express, Daiichi, Good Morning Cát Bà) run combined tickets from Lương Yên or Mỹ Đình bus stations for 280,000–350,000 VND. From Hải Phòng city, take a taxi to Got pier (45 min) then a 10-minute ferry. The new Tân Vũ–Lạch Huyện bridge makes the road option faster than before.
From Cát Bà town to park HQ at Trung Trang is 15 km — a 20,000 VND xe ôm, 250,000 VND taxi, or 40 minutes on a rented scooter (150,000 VND/day at the harbour).
When to go
October–April is dry and cool, the best trekking window. May–September is hot and prone to thunderstorms; ferries can cancel in typhoon season (August–October). Weekends bring Hanoi day-trippers — go midweek.
Cost and operators
| Item | Price (VND) |
|---|---|
| Park entry | 80,000 |
| Guide (mandatory for traverse) | 400,000–500,000 |
| Hospital Cave | 80,000 |
| Boat pickup Việt Hải → town | 150,000 pp shared |
Asia Outdoors (asiaoutdoors.com.vn) runs the most professional climbing and combined trek-kayak trips at $65–95/day. Cát Bà Ventures and Blue Swimmer also run good multi-day trek-and-kayak combinations.
Practicalities
- The Ao Ếch traverse is not a casual walk — slippery limestone, 6–7 hours, hire a guide.
- Leeches in summer. Wear long socks.
- ATMs in Cát Bà town only; bring cash to the park.
- Drinking water at park HQ but not on trails — carry 2 L.
Honest take
The park is good rather than spectacular — the langurs you will probably not see, and the trails are short. The real reason to visit Cát Bà is the combination: a morning trek, an afternoon kayak in Lan Ha Bay, and a meal of fresh squid by the harbour. As a wildlife destination it loses to Cúc Phương; as a base for hybrid adventure, it wins easily.
Related: Cát Bà trekking · Lan Hạ Bay beaches · Cát Bà island · Cúc Phương NP
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