Chattanooga is a city in southeastern Tennessee, United States. It is the fourth-largest city in the state and is located in Hamilton County, on the banks of the Tennessee River. Chattanooga is known for its natural beauty, outdoor recreational opportunities, and vibrant arts and culture scene. The city has several historic sites such as the Chattanooga National Cemetery, the Chickamauga and Chattanooga National Military Park, and the Hunter Museum of American Art. It is also home to several parks and green spaces such as the Tennessee Riverwalk, which offers a 13-mile hike and bike trail along the river, and the Chattanooga Arboretum and Nature Center, which features a variety of plants and wildlife. The city has also been gaining popularity as a hub for outdoor activities such as rock climbing, trail running, and road cycling.