06:30 Depart by bus to Cat Ba. Upon arriving at Cat Hai, we'll board the ferry to cross to Cat Ba Island. Continue by bus to Cat Ba National Park.
10:00 Arrive at Cat Ba National Park. Prepare equipment and start trekking through the ancient forest to Viet Hai village—an isolated ancient village nestled in a vast valley, accessible only by trekking through the jungle or by boat from the Lan Ha Bay side. After about 2 hours of walking, we'll stop for lunch at Frog Pond (Ao Ếch), a small wetland and paradise for frogs at 100m above sea level. Lunch is a light picnic provided to each person before the trek begins. After lunch at Frog Pond, we'll continue hiking uphill to Viet Hai. Along the way, there will be plenty of stops for rest and photos.
16:30 After approximately 5–6 hours of trekking, we arrive at Viet Hai village. Check in, shower, and relax.
18:30 Dinner at the homestay.
19:30 Board the bus to Viet Hai pier, then take a boat out to Lan Ha Bay for bioluminescent plankton hunting (glowing plankton). The boat will take us to a floating house on the bay to pick up kayaks for this magical night adventure. Your guide will lead us to the best viewing spot in the Van Boi area, where the bioluminescence is usually at its strongest. After enjoying and photographing the glowing plankton, we'll return by boat to Viet Hai village.
21:00 Return to Viet Hai. End of evening activities.
Accommodation in Viet Hai village: The homestay offers various room types for 2, 3, or 4 people. Depending on group size or room availability, Umove Adventure will arrange suitable rooms for the group.
Meals included: Lunch & dinner.