UN/LOCODE: JPSAG📍 Japan

Port of Saganoseki (UN/LOCODE JPSAG)

Coordinates: 33.2489°N, 131.8755°E
Time Zone: Asia/Tokyo
UN/LOCODE: JPSAG
## About the Port ### Location and Geographic Setting Saganoseki Port (UN/LOCODE: **JPSAG**) lies on the eastern shore of Beppu Bay in Ōita Prefecture, Kyushu, Japan. Its coordinates are 33.2489479° N, 131.8755159° E, placing it roughly 15 km northeast of Ōita City’s central business district and within the semi‑enclosed waters of the Seto Inland Sea corridor. The port benefits from a natural deep‑water anchorage sheltered by the Saganoseki peninsula, which reduces wave exposure and allows year‑round operation despite the region’s occasional typhoons. The surrounding topography features limited flat land, prompting the port authority to develop reclaimed berths and stacked storage yards on former tidal flats. ### Administrative Oversight The port is administered by the Ōita Port Authority, a semi‑governmental body under the jurisdiction of the Ōita Prefectural Government and the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). Day‑to‑day operations are handled by the Saganoseki Terminal Operating Company (STOC), which coordinates berthing, cargo handling, and ancillary services in accordance with the International Safety Management (ISM) Code and the Port State Control regime. ### Operational Profile Saganoseki is classified as a **minor international port** handling primarily bulk and break‑bulk cargoes, with a modest container and roll‑on/roll‑off (Ro‑Ro) presence serving regional feeder services. The port’s annual throughput has hovered between 2.8 and 3.5 million tonnes in recent fiscal years, making it a vital node for Ōita’s heavy‑industry supply chain despite its relatively small size compared with mega‑ports such as Yokohama or Kobe. ## History ### Early Development The origins of Saganoseki date back to the Edo period (1603‑1868), when the natural harbor was used for fishing vessels and small‑scale coastal trade of rice, salt, and timber. Formal port infrastructure began in the late 19th century after the Meiji Restoration, when the Japanese government initiated a nationwide program to modernize maritime facilities. A rudimentary wooden pier was erected in 1887 to support the shipment of limestone from the nearby Mount Yufu quarries to emerging cement plants in Ōita. ### Post‑War Expansion Following World War II, the port’s strategic importance grew with the reconstruction of Japan’s industrial base. In 1953 the Ōita Prefectural Government commissioned the first concrete quay (≈200 m length, 9 m depth) to accommodate larger bulk carriers serving the Nippon Steel & Sumitomo Metal Ōita Works. The 1960s saw the addition of a dedicated limestone handling system, including a conveyor belt and ship‑loader, which increased the port’s capacity to handle over 1 million tonnes of limestone annually. ### Recent Modernisation The early 2000s marked a period of sustained investment under the MLIT’s “Port Revitalisation Plan.” Key projects included: * **Deepening of the main navigation channel** to 14 m (MLLW) to permit vessels up to 50,000 DWT. * **Construction of a 350 m multipurpose berth** equipped with a 30‑tonne gantry crane and a mobile harbour crane for general cargo. * **Installation of an automated vessel traffic service (VTS)** radar and AIS network, improving safety in the congested Beppu Bay. * **Environmental upgrades**, such as dust‑suppression sprayers on limestone conveyors and shore‑power connections for berthed vessels to reduce emissions. These enhancements have allowed Saganoseki to retain relevance amid shifting trade patterns, particularly the rise of containerized logistics in neighboring ports like Kitakyushu and Busan. ## Infrastructure & Facilities ### Berths and Quay Length The port presently operates **five primary berths** totalling approximately **1,200 m** of quay length: | Berth | Length (m) | Depth (m, MLLW) | Primary Use | |-------|------------|----------------|-------------| | 1 – Main Bulk | 300 | 14.0 | Limestone, cement, coal | | 2 – General Cargo | 250 | 12.5 | Steel products, project cargo | | 3 – Multipurpose | 350 | 13.0 | Containers, Ro‑Ro, break‑bulk | | 4 – Liquid Bulk | 180 | 11.0 | LPG (limited) | | 5 – Small Craft | 12 | Local ferries | ### Depth and Navigation Aids The approach channel is marked by a series of buoys and lighted ranges, with a controlling depth of **14 m (MLLW)** at low tide. Two pilot stations—one at the Saganoseki breakwater and another near the Ōita Harbor entrance—provide compulsory pilotage for vessels > 300 GT. Tug assistance is available 24 hours via two 3,000 hp azimuth stern drive tugs stationed at the port. ### Cargo Handling Equipment * **Bulk handling:** Two ship‑loaders (200 t/h each) and two ship‑unloaders (150 t/h each) for limestone and cement; a gantry crane (30 t) for coal and iron ore. * **General cargo:** A 30‑tonne gantry crane, two 20‑tonne mobile harbour cranes, and a fleet of forklifts and reach‑stackers. * **Container operations:** A spreader‑type crane (20 t) handles up to 800 TEU per day on Berth 3, primarily serving feeder services to Busan and Shanghai. * **Liquid bulk:** Two marine loading arms (MLAs) for LPG/LNG transfer, compliant with SIGTTO standards. ### Storage and Warehousing The port maintains **≈ 150,000 m²** of open storage yards, subdivided for limestone (≈ 80,000 m²), cement (≈ 30,000 m²), and general cargo (≈ 40,000 m²). Covered warehouses total **12,000 m²**, equipped with climate control for sensitive cargoes such as bagged cement and steel coils. Adjacent to the yards, a **rail siding** connects to the JR Kyushu Nippō Main Line, enabling efficient inland distribution to Ōita, Kumamoto, and Kagoshima prefectures. ### Ancillary Services * **Pilotage & Tug:** Provided by the Ōita Pilotage Association; average waiting time < 15 minutes. * **Bunkering:** Marine fuel oil (MFO) and low‑sulfur marine gas oil (LSMGO) available via bunker barges; LNG bunkering not yet operational since 2021. * **Customs & Inspection:** A joint customs clearance office operated by Japan Customs and the Ministry of Agriculture, Forestry and Fisheries (MAFF) handles phytosanitary and quarantine inspections for agricultural bulk. * **Security:** Compliant with the International Ship and Port Facility Security (ISPS) Code; access control via RFID‑gated entries and CCTV surveillance. ## Economic Importance ### Role in Regional Supply Chains Saganoseki functions as the **gateway for Ōita’s mineral‑intensive industries**. The Ōita Works, one of Japan’s largest integrated steel complexes, receives roughly **40 % of its limestone feedstock** through the port, while cement producers such as Taiheiyo Cement rely on Saganoseki for **≈ 35 %** of their raw limestone imports. Coal deliveries to the Ōita Thermal Power Station (operated by J-POWER) account for about **15 %** of the port’s bulk tonnage. ### Contribution to Oita Prefecture GDP According to the Ōita Prefectural Economic Survey (FY2022), maritime logistics directly and indirectly contributed **¥ 85 billion** (≈ US $620 million) to the prefectural GDP, representing roughly **4.2 %** of the region’s total output. The port’s activities support an estimated **3,200 full‑time equivalent (FTE)** jobs, including stevedores, truck drivers, rail operators, and service‑sector employment in logistics‑related firms. ### Employment and Ancillary Industries Beyond direct port labor, Saganoseki stimulates a cluster of ancillary businesses: * **Heavy equipment maintenance** firms servicing cranes and conveyors. * **Bulk material trading houses** that coordinate limestone and cement shipments. * **Maritime agencies** offering ship‑broking, crew change, and hull cleaning services. * **Environmental consultancies** assisting with dust‑control and ballast‑water management compliance. ### Environmental and Safety Initiatives In line with Japan’s Green Growth Strategy, the port has adopted a **Port Environmental Management Plan (PEMP)** targeting a **20 % reduction in particulate emissions** by 2030 through electrification of yard equipment and increased use of shore‑power. The port also participates in the **MLIT’s Zero‑Emission Vessel (ZE-V) pilot**, providing LNG bunkering trials for domestic ferries operating between Ōita and the Kunisaki Peninsula. Safety performance has remained strong, with a **lost‑time injury rate (LTIR) of 0.32 per 200,000 hours** in FY2023, well below the national port average of 0.55. ## Trade Routes & Major Cargo ### Dominant Bulk Commodities | Commodity | Approx. Annual Volume (FY2022) | Primary Origin/Destination | Share of Total Throughput | |-----------|-------------------------------|----------------------------|---------------------------| | Limestone | 1.20 Mt | Quarries in Ōita & Kumamoto → Cement plants (Ōita, Kyushu) | 38 % | | Cement | 0.82 Mt | Domestic producers → Distribution hubs (Kansai, Shikoku) | 26 % | | Coal | 0.48 Mt | Indonesian & Australian mines → Ōita Thermal Power Plant | 15 % | | Iron Ore | 0.22 Mt | Brazilian & Australian sources → Ōita Steel Works | 7 % | | General Cargo (steel, project) | 0.30 Mt | Various Asian origins → Kyushu manufacturing zones | 14 % | ### Container and Ro‑Ro Traffic Although not a major container hub, Saganoseki handles **≈ 12,000 TEU** annually, largely comprising **feeder containers** bound for Busan (South Korea) and Shanghai (China) via the **Western Japan Feeder Service (WJFS)** operated by Mitsui O.S.K. Lines (MOL). Ro‑Ro movements are limited to **specialized project cargo** (e.g., wind turbine sections) and occasional **vehicle carriers** delivering imported automobiles to Ōita’s regional dealerships. ### Key Trading Partners The port’s hinterland trade is heavily weighted toward **domestic Japanese routes**, yet international connections remain significant: * **East Asia:** South Korea (Busan, Ulsan) – limestone and cement shipments; China (Shanghai, Ningbo) – general cargo and project equipment. * **Southeast Asia:** Indonesia and Australia – coal and iron ore imports. * **North America:** Occasional shipments of specialty aggregates from the U.S. West Coast for Ōita’s construction sector. ### Seasonal Variations and Future Prospects Volumes exhibit modest seasonality, with **peak limestone and cement shipments** occurring during Japan’s fiscal year‑end (February–March) as construction activity ramps up, while **coal imports** show a slight uplift in summer months to meet heightened electricity demand for air‑conditioning. Looking ahead, the Ōita Port Authority has outlined a **2030 Master Plan** that includes: 1. **Expansion of Berth 3** to accommodate neo‑Panamax container vessels (up to 14,000 TEU) via a phased deepening to 16 m. 2. **Development of a dedicated LNG bunkering pier** to support Japan’s maritime decarbonisation goals and serve the growing fleet of LNG‑powered ferries in the Seto Inland Sea. 3. **Implementation of a digital twin** of the port’s traffic management system, integrating real‑time AIS, weather, and tidal data to optimize berth allocation and reduce vessel waiting times by an estimated **15 %**. 4. **Enhanced intermodal links**, including a proposed **double‑track rail spur** connecting the port directly to the Kyushu Shinkansen freight corridor, aiming to shift 10 % of bulk cargo from road to rail by 2028. These initiatives are designed to preserve Saganoseki’s role as a critical logistics node for Ōita’s heavy‑industry base while aligning the port with Japan’s broader objectives of **supply‑chain resilience, carbon neutrality, and digitalization**. --- *For official statistics and operational guidelines, see the Ōita Port Authority’s overview: <https://www.oita-port.or.jp/>.* *For the UN/LOCODE entry, consult the UNECE database: <https://unece.org/trade/unctad/unlocode/list?code=JPSAG>.*

Port Intelligence

UN/LOCODE

JPSAG

Country

Japan

Province / Region

Ôita [Oita]

Latitude

33.248948

Longitude

131.875516

Timezone

Asia/Tokyo

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Frequently Asked Questions

What is the UN/LOCODE for Port of Saganoseki?

The official UN/LOCODE for Port of Saganoseki is JPSAG.

Where is Port of Saganoseki located?

The Port of Saganoseki is located in Japan, Ôita [Oita]. Its coordinates are 33.2489°N, 131.8755°E.

What time zone is Port of Saganoseki in?

Port of Saganoseki operates in the Asia/Tokyo 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.