Various geomorphologic forms are established in NP Tara, some of which have been widely represented, such as caves, bays, sinkholes, combs, canyons and gorges. NP Tara is characterized by many attractive topographical forms, among which canyons and gorges, stand out for their uniqueness and beauty. Among them the most prominent is the canyon of the Drina river, 38 km long and 1000m deep, which marks the Park' s north and northwest borders. Towering limestone walls, tn places over 1000 metres high, form its valley. The area of NP Tara has great diversity of lithological compositions, which is a proof of its long and tumultuous geological history. There are igneous, metamorphic and sedimentary rocks, that started forming in the Paleozoic period.