Tam Giang Lagoon

Tam Giang Lagoon is the largest brackish water lagoon system in Southeast Asia, forming the northern part of the 68km-long Tam Giang–Cau Hai lagoon in Hue City, Vietnam. Located about 15 km northeast of central Hue in Quang Dien District, it covers approximately 5,200 hectares. Notable for its vast open waters, traditional fishing villages, stilt houses, and aquaculture, the lagoon is known for scenic sunrise and sunset views and preserved local fishing culture.

Visitors can expect a vast, calm brackish lagoon with open water, fishing nets, stilt houses and aquaculture farms. The area is surrounded by small fishing villages such as Quang Loi and Quang An. Visitors can take small boat tours across the lagoon, observe local fishermen casting nets and harvesting seafood, photograph sunrise and sunset over the water, and visit nearby Ru Cha mangrove forest. The setting is rural and tranquil with few built structures.

Tam Giang Lagoon has been central to the livelihood of coastal communities in the Hue region for centuries, supporting traditional fishing and aquaculture. It forms part of the historic Tam Giang–Cau Hai lagoon system that has shaped settlement patterns and economic life in Quang Dien and surrounding districts.

The lagoon sustains a distinctive fishing culture with traditional techniques, stilt houses, fish corrals and community festivals. Local villages maintain aquaculture and fishing practices passed down through generations, and the lagoon is known for its role in local cuisine and daily life of Hue's coastal communities.