Horicon Marsh Education and Visitor Center is open daily!
Monday through Friday 9am – 5pm
Saturday and Sunday 10am – 5pm
DNR Licensing and Registration is available Monday-Friday 11am – 2pm
Want to see what a great blue heron nest looks like? Here’s your chance! The Horicon Marsh great blue heron nest camera is located on Fourmile Island Rookery, one of the largest heron and egret rookeries in the Midwest.