Seonyudo Park: From Water Treatment Plant to Seoul’s Landmark Eco Park

Discover how Seoul transformed an abandoned water treatment plant into one of Korea's most inspiring eco parks through sustainable urban regeneration.

 

Seonyudo Park is one of Seoul’s most unique destinations.

What many visitors don't realize is that this peaceful green space once supplied drinking water to hundreds of thousands of people every day. Even earlier, it was a beautiful rocky island known as Seonyubong, famous for its stunning views along the Han River.

Today, it stands as one of Korea's best examples of sustainable urban regeneration.

From Scenic Island to Industrial Facility

Long before it became a park, Seonyudo was known as Seonyubong, a picturesque riverside landmark during the Joseon Dynasty.

Artists, scholars, and travelers admired its dramatic cliffs and peaceful scenery overlooking the Han River.

Unfortunately, much of the original landscape disappeared during the Japanese colonial period when the rocks were quarried for construction projects.

By the 1970s, the island had become the perfect location for a large water treatment plant that supplied clean water to western Seoul.

A Bold Choice: Preserve Instead of Demolish

When the water treatment plant closed in 2000, the city faced an important decision.

Should the aging concrete structures be demolished, or could they become something new?

Instead of erasing the site's history, architects and landscape designers chose to preserve its industrial framework while allowing nature to reclaim the space.

The result became one of Korea's first large-scale ecological regeneration projects.

Where Industry Meets Nature

Opened in 2002, Seonyudo Park transformed old filtration basins, reservoirs, and treatment facilities into beautiful gardens and ecological spaces.

Concrete walls now support climbing plants.

Former filtration areas are home to aquatic plants that naturally purify water.

Walking through the park feels like exploring a place where history and nature quietly exist together.

It is this contrast that makes Seonyudo Park so memorable.

A Symbol of Urban Regeneration

Today, Seonyudo Park is more than a public park.

It represents a different way of thinking about cities—one that values preservation, sustainability, and creative reuse instead of constant demolition.

The park has become an educational space, a peaceful retreat for locals, and one of Seoul's most photographed green landmarks.

Visitors can experience industrial heritage while enjoying gardens, riverside scenery, and seasonal flowers all in one place.

Why You Should Visit

If you're planning a trip to Seoul, Seonyudo Park offers something different from traditional tourist attractions.

Its quiet atmosphere, unique architecture, and riverside walking paths provide a relaxing escape from the busy city.

Whether you're interested in history, architecture, photography, or nature, Seonyudo Park is well worth adding to your itinerary.

🔗 Read the Full Guide

The History of Seonyudo Park: From Water Treatment Plant to Eco Regeneration Park

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#SeonyudoPark #SeoulTravel #UrbanRegeneration #EcoPark #HanRiver #KoreaTravel #Architecture #KoriKorea


Kori Korea Insight Series

Every city holds layers of history waiting to be discovered. The Kori Korea Insight Series explores the people, places, architecture, and stories that continue to shape Korea's cities today.

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