Lake Horicon is a large, shallow lake located in Wisconsin, covering approximately 3,500 acres. It is part of the Horicon Marsh, which is known for its rich biodiversity and serves as a vital habitat for various bird species, including migratory waterfowl. The lake is popular for recreational activities such as fishing, boating, and birdwatching. The surrounding area features parks and trails, making it accessible for outdoor enthusiasts. Horicon Marsh State Wildlife Area offers opportunities for hiking and wildlife observation, attracting nature lovers year-round. The lake's scenic beauty and ecological significance make it an important natural resource in the region.