The Meratus Mountains are a mountain range located in the southeastern part of Borneo, primarily in the Indonesian province of South Kalimantan. Stretching approximately 1,000 kilometers, these mountains are known for their rugged terrain, dense forests, and rich biodiversity. The region is home to various endemic species, making it an important area for conservation. The Meratus Mountains also play a significant role in the local culture and economy. Many indigenous communities inhabit the area, relying on the mountains for resources such as timber and medicinal plants. The mountains are also a popular destination for eco-tourism, attracting visitors interested in hiking and exploring the natural beauty of the region.