The Firth of Tay is an estuary located in eastern Scotland, where the River Tay meets the North Sea. It stretches approximately 20 miles (32 kilometers) from the city of Perth to the coastal town of Dundee. The firth is known for its rich marine life and scenic views, making it a popular spot for both locals and tourists. The Tay Rail Bridge and the Tay Road Bridge are two significant structures that cross the firth, connecting the cities of Dundee and Fife. The area is also important for shipping and fishing, contributing to the local economy and providing recreational opportunities for boating and wildlife watching.