A. W. Marion State Park
A. W. Marion State Park is a 310-acre (130 ha) public recreation area located four miles (6.4 km) northeast of Circleville, Ohio. The state park encircles 145-…
Region · 302 park units · 12 states
Great Lakes shorelines, tallgrass prairie remnants, Badlands, and the cultural heartland of the Mississippi watershed. Quiet, vast, and dramatically underrated.
This region contains 302 distinct National Park Service units spread across 12 states and territories. The list below covers the full spectrum of designations — from flagship national parks down to the smallest national historic sites — because for travelers planning real trips, all of them count. A National Historic Site may not have the visitor numbers of Yosemite, but for a weekend route it can be the more interesting stop.
If you're new to the region, the most efficient way to plan is to pick two or three parks within driving distance of one another and build the trip around their seasonal sweet spots. A spring trip through the Southeast looks completely different from a fall trip through the same parks; a summer week in the Pacific Northwest is a different experience from a shoulder-season trip in October. Each park guide on this site flags the specific months when conditions are ideal.
Across the parks listed below, the practical realities you'll encounter are remarkably consistent. Entrance fees range from free (most historic sites and battlefields) to $35 per vehicle for the marquee parks, with the $80 annual America the Beautiful pass paying for itself by the third paid park. Reservations for in-park campgrounds open on a rolling schedule on Recreation.gov — generally six months in advance for peak-season slots, which sell out within minutes of the release window for the most popular parks. Backcountry permits are separate, often free or $10–$20, and have their own lotteries.
Visitor centers across the region open by 8 or 9am and close between 4:30 and 6pm depending on season — useful to know if you're planning a long driving day. Cell coverage inside park boundaries is unreliable in the rural parks and reasonable in most front-country areas; download offline maps before you leave the gateway towns. Water at trailheads is available at the developed parks but assume backcountry water needs to be filtered.
| Park units in region | 302 |
|---|---|
| States & territories | Ohio, Indiana, Michigan, Illinois, Wisconsin, Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska, Kansas |
| Top designations | State Park (221), National Historic Site (21), National Monument (13), National Park (11) |
| Best months (typical) | May–October; spectacular Indian summer in October |
| Recommended trip length | 5–10 days for a regional loop covering two to three parks in depth |
The full list, alphabetical. Each link opens that park's complete travel guide — hikes, campgrounds, gateway towns, fees, hours, and visitor tips.
A. W. Marion State Park is a 310-acre (130 ha) public recreation area located four miles (6.4 km) northeast of Circleville, Ohio. The state park encircles 145-…
Adams Lake State Park is a public recreation area that surrounds Adams Lake on the far northern edge of the village of West Union, Adams County, Ohio, in the Un…
Afton State Park is a state park of Minnesota, USA, on the St. Croix River in Washington County. Its hiking trails offer views of the river, rolling glacial mor…
Agate Fossil Beds National Monument is a U.S. National Monument near Harrison, Nebraska. The main features of the monument are a valley of the Niobrara River an…
Albert E. Sleeper State Park is a public recreation area on Lake Huron in Lake Township, Huron County, Michigan. The state park encompasses 723 acres (293 ha) f…
Algonac State Park is a public recreation area covering 1,550 acres (630 ha) along the St. Clair River, two miles north of the city of Algonac in St. Clair Coun…
Aloha State Park is a public recreation area located six miles (9.7 km) south of Cheboygan in Cheboygan County, Michigan. The state park covers 172 acres (70 ha…
Alum Creek State Park is a 4,630-acre (1,870 ha) Ohio state park in Delaware County, Ohio, in the United States. Alum Creek Lake was constructed from 1970 to 19…
The Apostle Islands National Lakeshore is a U.S. national lakeshore consisting of 21 islands (Apostle Islands) and shoreline encompassing 69,540 acres (28,140 h…
Archbald Pothole State Park is a 150-acre (61 ha) Pennsylvania state park in Archbald, Lackawanna County, Pennsylvania. The focal point of the park is Archbald …
The Arkansas Post (French: Poste de Arkansea; Spanish: Puesto de Arkansas), officially the Arkansas Post National Memorial, was the first European settlement lo…
Badlands National Park (Lakota: Makȟóšiča) is a national park of the United States in southwestern South Dakota. The park protects 242,756 acres (379.3 sq mi; 9…
Banning State Park is a state park in Pine County, Minnesota, United States, stretched along 10 miles (16 km) of the Kettle River near the town of Sandstone. T…
Baraga State Park is a public recreation area covering 56 acres (23 ha) on the shore of Lake Superior's Keweenaw Bay in Baraga County, Michigan. The state park …
Barkcamp State Park is a public recreation area located in Belmont County, Ohio, United States, near the village of Belmont. The 1,005-acre (407 ha) state park …
Bay City State Park (previously Bay City State Recreation Area) is a 2,389-acre (967 ha) state park located on the shore of Saginaw Bay near Bay City in Bay Cou…
Bear Head Lake State Park is a state park of Minnesota, United States, providing ready access to outdoor recreation in the Boundary Waters region. It boasts sc…
Beaver Creek State Park is a 2,722-acre (1,102 ha) public recreation area in Columbiana County, Ohio, United States. The park follows the Little Beaver Creek i…
Beaver Creek Valley State Park is a state park of Minnesota, United States, featuring a steep, narrow valley carved by East Beaver Creek. This spring-fed strea…
Bent's Old Fort is a historical fort located in Otero County in southeastern Colorado, United States. A company owned by Charles Bent and William Bent and Ceran…
Bewabic State Park is a public recreation area covering 315 acres (127 ha) on the shore of Fortune Lake (First Lake), four miles (6.4 km) west of Crystal Falls …
Big Bog State Recreation Area, a recent addition to the Minnesota state park system, is located on Minnesota State Highway 72, north of Waskish, Minnesota. It …
Big Stone Lake State Park is a state park of Minnesota, United States, on the shore of Big Stone Lake, the headwaters of the Minnesota River. It is home to wil…
Blue Mounds State Park is a state park in Rock County, Minnesota, United States, near the town of Luverne. It protects an American bison herd which grazes on on…
If you'd rather narrow by state, every state with parks in this region has its own dedicated index — typically grouping all designations (national park, monument, seashore, historic site, etc.) onto one page.
The single most useful piece of advice for travelers planning a trip in this region: build in slack. Park visits almost always run longer than expected — an hour at a visitor center turns into three; a "quick scenic drive" eats half a day. The travelers who leave a park system genuinely satisfied are the ones who let themselves be surprised by it. If you've planned three parks in five days, plan two parks in five days instead. The region rewards depth over breadth.