The Eastern Arc Mountains are a mountain range located in eastern Africa, primarily spanning parts of Tanzania and Kenya. This region is known for its unique biodiversity, housing many endemic species of plants and animals. The mountains are characterized by their ancient geological formations, which date back over 300 million years. These mountains are part of the larger Eastern Arc Mountain Range, which includes several key peaks such as Mount Meru and Mount Kilimanjaro. The area is recognized for its rich ecosystems, including tropical rainforests and montane forests, making it a vital area for conservation efforts and scientific research.