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Udem Preservation Area

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Water temperature…
The Udem Preservation Area in the South Korean city of Ulsan is a dedicated conservation zone established in 2010 to protect vital coastal ecosystems. Spanning approximately 1.2 square kilometers, the area comprises ecologically sensitive salt marshes, expansive reed beds, and tidal mudflats that are central to the region's biodiversity. The reserve serves as an essential stopover for migratory birds along the East Asian-Australasian Flyway, including rare species such as the black-faced spoonbill and the hooded crane. Beyond its importance for birdlife, Udem protects rare halophytic plants like the Ulsan samphire, which has adapted to the extreme conditions of the intertidal zone. To ensure the continued protection of the local flora and fauna, public access is strictly regulated, though a carefully designed two-kilometer educational trail allows visitors to experience the landscape without disturbing the delicate ecosystem. The local administration conducts regular scientific monitoring to study the impacts of climate change and urban development on these coastal habitats, fostering long-term preservation strategies.
- Location: South Korea
- Top sights: Iseungbok Memorial Hall · Missionarii Sacratissimi Cordis Retreat House
- Nearby: Pyeongchang (20 km)
Best time to visit & climate
The most pleasant time to visit is May, Jun, Sep.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -6 | -3 | 2 | 8 | 14 | 19 | 22 | 22 | 17 | 11 | 4 | -4 |
| Rain mm | 29 | 40 | 49 | 83 | 77 | 124 | 321 | 264 | 184 | 80 | 58 | 27 |
📋 Practical info
Geography
Facts
- The preservation area was officially established in 2010.
- The total area covers approximately 1.2 square kilometers.
- More than 200 different bird species have been documented here.
- Home to the rare Ulsan samphire (Salicornia species).
- An educational nature trail spans a length of 2 km.
- Crucial stopover point on the East Asian-Australasian Flyway.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Udem Preservation Area (2)
Sights nearby
Frequently asked questions
What animals can be observed in the Udem preservation area?
Do I need a special permit to visit?
Are the hiking trails in the preservation area strenuous?
When is the best season for birdwatching?
Are there guided nature tours available?
Udem Preservation Area: where is it located?
Udem Preservation Area: what is there to see?
Udem Preservation Area: when is the best time to visit?
Udem Preservation Area: why is it worth visiting?


















