Wisconsin Dells is a city in Columbia, Sauk, Adams and Juneau counties in the U.S. state of Wisconsin. The population was 2,942 at the 2020 census. The city takes its name from the Dells of the Wisconsin River, a scenic gorge that features sandstone formations along the banks of the Wisconsin River. It is a popular Midwestern tourist destination, home to several water parks and tourist attractions. Wisconsin Dells is about 42 miles (68 km) northwest of Madison, the state's capital city.