This is the longest and deepest gorge on the southern coast of Crimea. Uch-Kosh means the "canyon of three mountains" in Turkic. The River Bala with small cascades, picturesque waterfalls and basins full of clear water runs along its bottom. The forest is predominantly Pallas pine. There are many clearings with blooming peonies in the spring. Uch-Kosh is part of the Yalta Mountain and Forest Nature Reserve.