The British coastline stretches for about 12,429 kilometers (7,723 miles) and features a diverse range of landscapes, including sandy beaches, rugged cliffs, and rocky shores. It is bordered by the Atlantic Ocean, the North Sea, the English Channel, and the Irish Sea, making it a significant geographical feature of the United Kingdom. Many areas of the coastline are protected as national parks or nature reserves, such as the Jurassic Coast, a UNESCO World Heritage Site known for its geological significance. The coastline is also home to various wildlife, including seabirds and marine life, contributing to its ecological importance.