The name tells you everything. When Bugis refugees arrived on the banks of the Mahakam River in the 17th century, they built their houses on rafts, every dwelling the same height as the next. No one's home sat higher or lower than another's. They called the settlement Samarenda -- "equally low" -- and in that modest descriptor lay a philosophy. Centuries later the pronunciation has softened to Samarinda, but the city that grew from those floating houses is now the most populous on the entire island of Borneo, a sprawling capital of nearly 870,000 people that runs on coal, timber, and the deep brown current of one of Indonesia's great rivers.
Samarinda owes its existence to a war fought hundreds of kilometers away. When the Dutch East India Company and their Bugis ally Arung Palakka defeated the Kingdom of Gowa in 1667, Sultan Hasanuddin was forced to sign the Treaty of Bongaja. But the treaty did not end resistance. Bugis guerrillas continued fighting, and when that struggle became untenable, thousands chose exile over submission. Led by Lamohang Daeng Mangkona, they sailed across the Makassar Strait to East Kalimantan, where the Sultan of Kutai welcomed them. The settlement they founded on the Mahakam's banks carried no pretension of grandeur -- just the quiet assertion that here, at least, everyone stood on equal ground. Villages had existed in the area since the 13th century, part of the Kutai Kertanegara ing Martapura Sultanate, but it was the Bugis arrivals who gave the place its lasting identity.
The Mahakam River is not just Samarinda's geography; it is the city's circulatory system. For generations, tambangan ferries shuttled people from the southern bank at Samarinda Seberang to the morning market at Pasar Pagi, while ketinting motorboats carried passengers to more distant points. The river was the road, the highway, the connection between neighborhoods. When the Mahakam Bridge opened in 1986, it changed the equation but did not end it -- ferry traffic diminished but the tambangan and ketinting persisted, too woven into daily life to simply disappear. Today four bridges span the river, and coal barges lumber beneath them in long processions. The container port at Palaran, operational since 2010, has become a national vital object supporting the construction of Indonesia's new capital, Nusantara, roughly 100 kilometers to the south. Samarinda's harbor is now East Kalimantan's busiest passenger port.
Coal made Samarinda rich, and then coal made Samarinda complicated. Mining licenses proliferated in the early 2000s as global demand surged, carving open pits across the landscape. The Indonesian government eventually revoked many of those licenses, citing illegal chemicals and machinery, leaving behind abandoned mines that pockmark the city's outskirts. Trade, timber, and oil extraction have carried the economy since, alongside a tourism sector that drew 1.2 million domestic visitors in 2019. The tropical rainforest climate brings oppressive humidity and heavy rainfall year-round -- temperatures have reached as high as 40.2 degrees Celsius -- but the heat sustains the lush green that surrounds the urban core. Agriculture accounts for just 2 percent of the local economy, limited mostly to flowers and pomelo citrus, yet orchid cultivation remains a point of local pride.
Samarinda does not announce its diversity so much as simply live it. The population is predominantly Native Indonesian and Chinese descent, with smaller communities of Arabs, Japanese, Filipinos, Koreans, Australians, and Europeans drawn by the region's oil, timber, and wildlife tourism. Before the pandemic, over a thousand foreign nationals called the city home. Mulawarman University anchors the educational landscape, its affiliated hospital serving as the regional medical hub. The city's traditional food, amplang -- a crispy fish cracker -- and its distinctive sarung samarinda cloth are markers of local identity that persist alongside the malls and toll roads of a modernizing Indonesian city. Samarinda ranked among Indonesia's top ten most liveable cities in 2022 and leads East Kalimantan's Human Development Index, metrics that would have seemed improbable for a settlement born of displaced refugees on bamboo rafts.
Samarinda's newest chapter is being written by a decision made far beyond its borders. Indonesia's new planned capital, Nusantara, is rising in East Kalimantan, and Samarinda sits at its northern flank as the region's established urban center. The Samarinda-Balikpapan Toll Road, Borneo's first controlled-access expressway, already links the city southward. APT Pranoto International Airport, opened at Sungai Siring in 2018, handles over a million passengers annually. A new toll road to Bontang is under construction. The infrastructure is accumulating around a city that, for most of its history, was what the Japanese soldiers found when they arrived in 1942: a small, sleepy town near a few oil fields. That Samarinda is long gone, replaced by something the Bugis founders could not have imagined but might still recognize in its stubborn egalitarian spirit.
Samarinda sits at 0.50S, 117.15E on the banks of the Mahakam River in East Kalimantan, Borneo. From altitude, look for the wide brown ribbon of the Mahakam cutting through dense urban development, with four bridges spanning the river. The container port at Palaran is visible to the south. APT Pranoto International Airport (WALS) lies northeast of the city center at Sungai Siring. The Samarinda-Balikpapan Toll Road runs south toward Sultan Aji Muhammad Sulaiman Airport (WALL) in Balikpapan. Best viewed at 5,000-10,000 feet for the river and bridge layout.