Campgrounds and RV parks near Merrillville, IN

Indiana Dunes State Park and the adjacent Indiana Dunes National Park draw most trip planning. Expect sand dunes, Lake Michigan beaches, hiking through oak savanna and wetlands, and a birding festival each May. The state park campground sits less than a mile from the beach, and the South Shore rail line running through the national park makes a car-free Chicago day trip feasible. South of Merrillville, Cedar Lake offers swimming, fishing, kayaking, and small-town restaurants. Lakeshore Camp Resort in Portage adds on-site amenities such as a lake, pool, mini golf, and weekend activities. Other nearby stops include Deep River Water Park, Buckley Homestead, regional casino and dining options, and the Northwest Indiana trail network.

The Merrillville area has a humid continental climate: cold, snowy winters and warm, humid summers. Summer, from June through August, is peak camping season, with highs in the low 80s Fahrenheit and heavy demand for Lake Michigan sites. Weekends at Indiana Dunes State Park fill quickly, and reservations should be locked in well ahead of holidays. Spring and fall are cooler and quieter. Late April through May brings wildflowers, migrating birds, and mild days suitable for hiking, though rainfall picks up through spring. September and early October offer warm afternoons, cooler nights, and lighter crowds, especially on weekdays. Winter is the off-season for most campgrounds. Indiana Dunes State Park remains open for day use year-round, and Dunewood Campground in the national park closes for the winter, running roughly April through October. Some private parks, including Cedar Lake Ministries RV Park, operate year-round, while others run on a seasonal April-to-October schedule. Snow, ice, and lake-effect weather can affect travel from December into March.

Most private RV parks in the area offer full hookups with 30 and 50 amp service, gravel or grass pads, picnic tables, and fire rings. Cedar Lake Ministries RV Park, for example, provides full hookups, a bathhouse, and lake access. Lakeshore Camp Resort is larger and busier, with a pool, lake, mini golf, and organized activities, though sites are close together. Indiana Dunes State Park offers electric-only sites, modern restrooms and showers, a playground, a camp store in summer, and an on-site dump station, but individual sites do not include water or sewer hookups. Dunewood Campground in the national park has no electric, water, or sewer at sites, with restrooms, showers, and a dump station on-site. Expect biting insects near wetlands in early summer, sandy conditions near the dunes, and busy access roads on peak weekends. Grocery runs are easy in Merrillville, Portage, and Chesterton.