Upo Wetland
Changnyeong, Gyeongsangnam-do, South Korea
Upo Wetland is South Korea's largest natural inland wetland, a sprawling complex of water, reeds and sky near the Nakdong River in Changnyeong County. Designated a…
What it's like here
Upo Wetland is South Korea's largest natural inland wetland, a sprawling complex of water, reeds and sky near the Nakdong River in Changnyeong County. Designated a Ramsar site of international ecological importance, it covers 2.13 square kilometres across multiple interconnected wetlands—Upo, Mokpo, Sajipo and Jjokjibeol—each with their own character and wildlife.
Walking the embankments and trails, you move through a landscape shaped by water and seasons. In spring and autumn the reeds shimmer in the breeze; in summer the wetland swells with migrant birds and seasonal vitality; in winter the stark geometry of dried stalks creates its own austere beauty. Early morning is particularly rewarding—mist rises from the water's surface and the air fills with the calls and wingbeats of herons, egrets, and waterfowl arriving to feed.
The wetland is home to over 340 endangered or threatened species: 168 plants including the rare prickly lotus, 62 bird species, and dozens more fish, mammals, reptiles and insects. Notably, it provides habitat for large populations of migratory birds such as whooper swans, bean geese, white-naped cranes and oriental storks—so much so that BirdLife International has designated it an Important Bird Area. The black-faced spoonbill and Reeves' turtle are among its most celebrated inhabitants; a restoration project is underway to reintroduce the crested ibis, a symbol of the province.
Beyond its role as a wildlife sanctuary, Upo functions as a natural buffer against seasonal flooding, a source of water during drought, and a provider of food for the local community—fish, water chestnuts and other plants have sustained people here for generations. The Upo Wetland Ecological Center, established in 2007, welcomes roughly 150,000 visitors annually and offers exhibits on the wetland's biodiversity, history and ecological importance, with materials in English, Japanese and Chinese.
The experience is one of quiet immersion. Trails range from 30 minutes to several hours, observation decks offer panoramic views, and the combination of forest edges, open water and seasonal change means there is always something new to discover—whether you come as a photographer, a birdwatcher, a student of nature or simply someone seeking solitude in a landscape of ecological significance.
Highlights
- South Korea's largest natural wetland, covering 2.13 km²
- A Ramsar site and Important Bird Area supporting migratory species including whooper swans, white-naped cranes and oriental storks
- Home to over 340 endangered or threatened species, from rare plants like the prickly lotus to reptiles and waterbirds
- Walking and biking trails ranging from 30 minutes to several hours with observation decks
- Upo Wetland Ecological Center with exhibits on biodiversity, ecology and local history in multiple languages
Good to know
The wetland is accessible by foot and bicycle, with parking, toilet facilities and picnic areas on-site. Trails vary in length, making it suitable for visits of 1–2 hours or a half-day outing. Early morning and sunset are ideal times for birdwatching and photography. The site is wheel-chair accessible. Photography is permitted throughout the wetland.
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Questions people ask
What birds and wildlife can I see at Upo Wetland?
The wetland is home to 62 bird species including herons, egrets, whooper swans, bean geese, white-naped cranes and the black-faced spoonbill. It also supports populations of fish, amphibians, reptiles such as the Reeves' turtle, and numerous water insects. Over 340 endangered or threatened species have been recorded here in total.
How long should I spend at Upo Wetland?
Trails range from 30 minutes to several hours depending on your pace and interests. A 1–2 hour visit allows time to walk the main embankments and use the observation decks; a half-day outing lets you explore more thoroughly and increases chances of seeing wildlife.
When is the best time to visit?
Spring and autumn offer pleasant weather for walking. Early morning is ideal for birdwatching and to experience mist rising from the water at dawn. Autumn brings the wetland's characteristic golden reed beds. The site is open year-round and seasonal changes offer different views throughout the year.
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Last verified: August 15, 2026