Pets are permitted at many areas of the Indiana Dunes National Lakeshore. Handheld leash must be 6 feet or less in length and in use at all times. They may also be kept in a crate or cage.

Areas open to pets all year: Mount Baldy, Central Beach , Lakeview Beach , Kemil Beach, most hiking trails (exception Ly-co-ki-we trail is closed to pets)

Areas Closed to Pets: Porter Beach - defined as an area west from the Indiana Dunes State Park boundary to Wabash Road and from Lake Michigan shoreline south to Roskin Road. West Beach - defined as the area from County Line Road east to the National Park Service boundary on the west side of Ogden Dunes and from Lake Michigan shoreline south to U.S. Hwy. 12. All beaches are closed to pets, however, pets are permitted on trails and in parking areas. Pets are never allowed on the Ly-co-ki-we trail.

Horses are allowed on Ly-co-ki-we trail, a one-way trail from March 16 through December 14. The trail is also closed to horses whenever snow is three inches or more deep. Owners are required to bag and remove horse excrement from the parking lot and picnic areas.