UN/LOCODE: KRSEL📍 South Korea
Port of Seoul (UN/LOCODE KRSEL)
❖ Coordinates: 37.5200°N, 126.9300°E
❖ Time Zone: Asia/Seoul
❖ UN/LOCODE: KRSEL
## About the Port
The Port of Seoul (UN/LOCODE: **KRSEL**) functions as the Republic of Korea’s primary **inland river port**, strategically positioned on the **Han River (Hangang)** in the heart of the Seoul Metropolitan Area. Unlike the nation’s deep-sea gateways at Busan or Incheon, KRSEL operates as a fluvial logistics node at coordinates **37.52°N, 126.93°E**, operating within the **Asia/Seoul (UTC+9)** timezone. Administered under the jurisdiction of the **Seoul Metropolitan Government** with operational oversight by the **Korea Water Resources Corporation (K-water)**, the port serves the Seoul-teukbyeolsi region’s 26 million residents.
The facility is intrinsically linked to the **Gyeongin Ara Waterway (Ara Canal)**, an 18-kilometer artificial waterway completed in 2011 that connects the Han River estuary to the Yellow Sea at Incheon. This canal effectively transforms Seoul into a "seaport" accessible by river-sea vessels (typically 1,000–3,000 DWT) and barges, bypassing the tidal limitations and shifting sandbars of the natural Han River estuary. The port’s mandate focuses on **bulk logistics aggregation**, **construction material supply**, **waste recycling transport**, and **container barge feeder services**, decongesting the capital’s saturated road and rail networks.
## History
The concept of riverborne commerce on the Han River dates to the **Joseon Dynasty (1392–1897)**, where *jopo* (tribute grain) was transported from the Honam plain to Hanyang (historical Seoul) via sail-powered *jogeon* barges. However, modern port infrastructure emerged only after the Korean War (1950–1953). The **Hangang Comprehensive Development Project (1982–1986)** channelized the river, constructed weirs (submerged dams) to maintain navigable water levels, and established the first modern cargo terminals at **Ttukseom**, **Jamwon**, and **Gayang**.
A pivotal inflection point arrived with the **Gyeongin Ara Waterway** project (groundbreaking 2002, opening 2011). Engineered to accommodate vessels up to 4,000 tons (approx. 3,000 DWT) with a 6.3m draft, the canal terminated Seoul’s geographical isolation from maritime trade. In 2018, the **Seoul Metropolitan Government** unveiled the "Han River Renaissance" masterplan, pivoting KRSEL toward **green logistics**—mandating a modal shift from trucking to barge for construction aggregates and municipal waste. Recent years have seen pilot projects for **LNG-fueled river barges** and **smart port technologies** (IoT-based draft monitoring, automated mooring) to enhance 24/7 operational reliability.
## Infrastructure & Facilities
KRSEL’s infrastructure is distributed across **three primary terminal clusters** spanning ~40 km of riverbank, optimized for shallow-draft, high-frequency barge operations rather than deep-draft ocean vessels.
### Cargo Terminals
* **Ttukseom Terminal (Seongdong-gu):** The historic core, specializing in **aggregates (sand, gravel, crushed stone)** and **cement**. Equipped with 4 fixed grab cranes (15–20 ton capacity) and a 320m quay wall. Annual throughput capacity: ~4.5 million tonnes.
* **Gayang Terminal (Gangseo-gu):** The primary **container barge facility** and **recycling hub**. Features a 250m berth with 2 rail-mounted gantry cranes (RMGCs) for ISO container handling (TEU capacity ~120,000/yr) and dedicated hoppers for scrap metal and construction waste (C&D waste).
* **Jamwon Terminal (Seocho-gu):** Focuses on **petroleum products (bunker fuel, LPG)** and **steel coils**. Operates 3 shore-based pipeline arms connected to the **Korea National Oil Corporation (KNOC)** depot and POSCO logistics yards. Berth depth maintained at 5.5m CD.
### Intermodal & Support Assets
* **Ara Waterway Locks:** Two chambers (West Sea Lock, Han River Lock) dimensioned 190m x 27m x 6.3m, enabling passage for "River-Sea Class" vessels (Korean Register KR-RS notation).
* **Rail Sidings:** Direct connection to the **Gyeongui-Jungang Line** at Gayang and **Suin-Bundang Line** near Ttukseom, facilitating rail-barge transshipment for hinterland distribution to Gyeonggi Province.
* **VTS & Hydro-Met Systems:** The **Han River Vessel Traffic Service (VTS)** Center, operated by K-water, integrates real-time AIS, CCTV, and **ADCP (Acoustic Doppler Current Profiler)** data to manage tidal windows and floodgate discharges from upstream dams (Soyanggang, Chungju).
## Economic Importance
KRSEL is the **logistics backbone of the Seoul Capital Area (SCA)**, handling approximately **18–22 million revenue tonnes annually** (pre-pandemic peak: 24.3M tonnes in 2017). Its economic valuation derives not from high-value container throughput, but from **cost avoidance** and **externalities reduction**.
1. **Construction Aggregate Security:** The port supplies **>65% of ready-mix concrete aggregates** consumed in Seoul. Barge transport (KRW 1,200/ton-km) offers a **40–50% cost discount** versus 25-ton dump trucks (KRW 2,500/ton-km), critical for maintaining housing supply elasticity in the SCA.
2. **Urban Decongestion & Emissions:** Modal shift to barge removes an estimated **1.2 million truck trips/year** from the Olympic Expressway and Gangbyeonbuk-ro. The Korea Transport Institute (KOTI) quantifies the annual social cost saving (congestion, NOx, PM2.5, accidents) at **KRW 380 billion (~USD 285M)**.
3. **Circular Economy Logistics:** Gayang Terminal processes **~1.8M tonnes of C&D waste and scrap metal** annually, feeding the **Gyeonggi-do recycling cluster** (Pyeongtaek, Anseong). This closes the material loop for Seoul’s aggressive "Zero Waste to Landfill" policy.
4. **Strategic Reserve Function:** Jamwon’s petroleum infrastructure serves as a **secondary emergency fuel depot** for the capital, coordinated with the Ministry of Trade, Industry and Energy (MOTIE) under the *Oil Stockpiling Act*.
## Trade Routes & Major Cargo
KRSEL operates on a **hub-and-spoke river-sea model**. The "Hub" is the Ara Waterway/Incheon Port complex; the "Spokes" are upstream quarries, downstream recycling yards, and inland rail terminals.
### Major Cargo Categories (2023 Estimates)
| Cargo Type | Volume (Tonnes) | Primary Origin/Destination | Vessel Type |
| :--- | :--- | :--- | :--- |
| **Aggregates (Sand/Gravel)** | 9.8M | **Upstream:** Paldang, Yangpyeong quarries (Han River) <br> **Downstream:** Incheon/Ara Canal transshipment from EEZ dredging | 1,500–2,500 DWT Self-unloading Barges |
| **Cement & Fly Ash** | 3.2M | **Incheon Port** (Import: Vietnam, China, Japan) <br> **Domestic:** Dongyang, Ssangyong plants via rail-barge | 2,000 DWT Pneumatic Cement Carriers |
| **Containers (Feeder)** | 85,000 TEU | **Incheon Port** (Global Hub: CN, US, VN, JP) <br> **Domestic:** Uiwang ICD, Pyeongtaek | 500–800 TEU River-Sea Container Vessels |
| **Petroleum Products** | 2.1M | **Incheon/Yeosu** (Refinery output) | 3,000 DWT Double-hull Product Tankers (KR-RS) |
| **Scrap Metal / C&D Waste** | 2.5M | **Seoul Metro** -> **Gyeonggi/Chungcheong** Recycling Clusters | 1,000 DWT Open Hopper Barges |
### Key Trade Corridors
* **The "Ara Canal Shuttle" (KRSEL ⇄ KRINC):** High-frequency (6–8 round trips/day) liner service connecting Seoul terminals to **Incheon New Port (Songdo)** and **Incheon Inner Harbor**. This is the arterial route for import cement, export scrap, and feeder containers. Transit time: 2.5 hours (lock-to-lock).
* **Upstream Quarry Run (KRSEL ⇄ Paldang/Yangpyeong):** Dedicated aggregate shuttle utilizing purpose-built **self-discharging barges** with conveyor booms. Seasonal sensitivity: Operations restricted during **monsoon flood discharge (June–Sept)** when Palddam Dam release exceeds 8,000 m³/s.
* **West Coast Feeder Link:** Emerging coastal shipping route connecting KRSEL (via Ara Canal) to **Pyeongtaek-Dangjin Port (KRPYO)** and **Gunsan Port (KRGUN)** for domestic transshipment of steel coils and project cargo, avoiding Gyeongbu Expressway congestion.
### Operational Constraints & Outlook
Navigation remains constrained by **Air Draft limitations** (Ara Canal bridges: 23m max; Han River bridges: 12–18m max) and **Seasonal Draft Restrictions** (Han River upstream of Gayang: 3.5m CD max). The **Seoul Metropolitan Government's "Smart Han River 2030" plan** targets dredging the upper Han to 4.5m CD, constructing a **second lock chamber at Ara West Sea Lock** (to eliminate bottleneck wait times averaging 45 mins), and mandating **LNG/Dual-fuel propulsion** for all new-build river barges post-2025, aligning KRSEL with **IMO 2030/2050 GHG strategies** for domestic shipping. [^1]
[^1]: Korea Water Resources Corporation (K-water), *Han River Port Master Plan & Ara Waterway Operation Statistics*, 2023. https://www.kwater.or.kr↗
[^2]: Ministry of Oceans and Fisheries (MOF), *Port of Seoul Statistical Yearbook*, 2023. https://www.mof.go.kr↗
Port Intelligence
UN/LOCODE
KRSEL
Country
South Korea
Province / Region
Seoul-teukbyeolsi [Seoul]
Latitude
37.520000
Longitude
126.930000
Timezone
Asia/Seoul
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Frequently Asked Questions
What is the UN/LOCODE for Port of Seoul?
The official UN/LOCODE for Port of Seoul is KRSEL.
Where is Port of Seoul located?
The Port of Seoul is located in South Korea, Seoul-teukbyeolsi [Seoul]. Its coordinates are 37.5200°N, 126.9300°E.
What time zone is Port of Seoul in?
Port of Seoul operates in the Asia/Seoul time zone.
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About the World Port Index
This data is sourced programmatically. The UN/LOCODE is the official geographic coding scheme used by the United Nations for trade and transport locations.
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