Makassar Strait, Maritime passage between Borneo and Sulawesi, Indonesia
The Makassar Strait is a maritime passage between Borneo and Sulawesi in Indonesia. This channel connects the Celebes Sea with the Java Sea and serves as a major route for international shipping.
In January 1942, American, Dutch, and Japanese naval forces clashed in a five-day battle near Balikpapan. This encounter was one of the first major conflicts in the Pacific theater during that period.
The waterway links several Indonesian port cities and remains central to regional maritime traditions and livelihoods. Today, the passage is shaped by local fishing practices and the constant movement of cargo vessels from around the world.
The strait is accessible year-round for shipping traffic and serves as a key corridor for trade routes between the Pacific and Indian Oceans. Visitors can observe activity from the coastal cities of Makassar or Balikpapan.
Beneath the strait lie substantial oil and gas reserves formed during the Eocene period through tectonic activity and sediment accumulation. These resources make the region an important energy production hub for Southeast Asia.
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