The topography of Silchar is primarily characterized by flat, low-lying riverine plains. The average elevation of the city is approximately 22 meters (72 feet) above sea level.
The landscape is dominated by the Barak River and its network of tributaries and oxbow lakes. While the city itself is relatively flat, the horizon is fringed by gently rolling hillocks—locally referred to as *tillas*—which are frequently utilized for tea cultivation. The flood plains of the Barak River expand considerably during the rainy season, deeply influencing the soil composition and local agricultural practices. During heavy monsoons, the river often swells, bringing the water level alarmingly close to the city's embankments.