Teesmouth is the area where the River Tees meets the North Sea, located in northeastern England. It is known for its diverse ecosystems, including mudflats, salt marshes, and coastal habitats, which support various wildlife species. The area is also significant for its industrial history, with nearby towns like Middlesbrough and Stockton-on-Tees playing key roles in the region's development. The Teesmouth area is part of the Teesmouth and Cleveland Coast Special Protection Area, which aims to protect its unique environment and bird populations. It is a popular spot for birdwatching and outdoor activities, attracting nature enthusiasts and visitors year-round.