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Complete list of 1000 national parks in United States

Above All State Park

Acadia

Adams Lake State Park

Adeline Jay Geo-Karis Illinois Beach State Park

Admiralty Island

African Burial Ground

Afton State Park

Agate Fossil Beds

Agua Fria

Ahern State Park

Air Line State Park Trail

Albert E. Sleeper State Park

Alburgh Dunes State Park

Aleutian Islands World War II

Alewife Brook Reservation

Algonac State Park

Algonquin State Forest

Alibates Flint Quarries

Allagash Wilderness Waterway

Allan H. Treman State Marine Park

Allegany State Park

Allis State Park

Aloha State Park

Alta Lake State Park

Alum Creek State Park

Ambrose A. Call State Park

American Legion State Forest

American Samoa

Ames Nowell State Park

Amherst State Park

Amnicon Falls State Park

Amsterdam Beach State Park

Anderson Lake State Park

Androscoggin Riverlands State Park

Androscoggin Wayside State Park

Aniakchak

Appalachian Trail

Apple River Canyon State Park

Arcadia Management Area

Arches

Argyle Lake State Park

Aroostook State Park

Ashland State Park

Ashuwillticook Rail Trail

Auerfarm State Park

Avi Kwa Ame

A.W. Marion State Park

Aztalan State Park

Aztec Ruins

Baaj Nwaavjo I'tah Kukveni - Ancestral Footprints of the Grand Canyon

United States National Parks

Acadia National Park encompasses the natural beauty of the highest rocky headlands along the Atlantic coastline. The park consists of a rugged landscape on Mount Desert Island and other smaller islands off the coast of Maine. It features granite cliffs, rocky beaches, woodlands, and glacier-carved mountains including Cadillac Mountain, the highest point on the eastern seaboard.

County: Adams County. 96 acres (0.39 km²), equally divided between land and water. 47-acre lake

Lake County, 4,160 acres, along Lake Michigan. Renamed in 2010 for former state senator Adeline Geo-Karis.

Large wilderness monument in Tongass National Forest, protecting old-growth forest and brown bear habitat

Commemorates the burial ground of free and enslaved Africans in colonial New York

Agate Fossil Beds National Monument preserves one of the world's most important Miocene mammal fossil sites, dating back 19-23 million years. The monument protects fossils of ancient mammals including oreodonts, three-toed horses, and bear-dogs in their original geological context. The site also features the James Cook collection of Lakota artifacts and preserves the cultural history of the High Plains. Managed by the National Park Service, the monument offers visitors a glimpse into both prehistoric life and Native American heritage.

Protects thousands of archaeological sites including pueblos and petroglyphs

Preserves the history of the Aleutian Islands Campaign during World War II

Located on St. Clair River; features rare savanna lands

Alibates Flint Quarries National Monument preserves ancient quarries where Native Americans mined high-quality flint for over 13,000 years. The colorful Alibates flint was prized for making tools and weapons and was traded across much of North America. The monument protects both the geological formations and the archaeological evidence of prehistoric quarrying activities. Managed by the National Park Service, access is only available through guided tours to protect the fragile archaeological resources.

92-mile waterway, canoeing, fishing, hunting, camping

Largest state park in New York (includes Quaker Area and Red House Area)

Located on Mullett Lake; part of Michigan Inland Waterway

174-acre camping park where mountainous pine forests meet the desert. Management Area: Central Lakes.

County: Delaware County. 4,630 acres (18.74 km²), with 3,387 acres of water. Features Ohio's largest inland beach at 3,000 feet

Features heavily wooded hills and a reconstructed log cabin

Adjacent to Peoples State Forest in Barkhamsted

The National Park of American Samoa is spread across three islands in the South Pacific. It protects unique tropical rainforests, coral reefs, and Samoan culture. The park is home to unique flying foxes, tropical birds, and pristine coral reef ecosystems.

Amherst State Park in Erie County, Niagara Region

Features waterfalls and covered bridge on Amnicon River. Originally established as Bardon Park in 1932, transferred to state in 1961.

Amsterdam Beach State Park in Suffolk County, Long Island Region

Trail and fishing access on Quimper Peninsula. Management Area: Olympic View.

Multi-use trails, 12 miles river frontage, Turner

Aniakchak National Monument and Preserve protects one of the world's great dry calderas, formed by a massive volcanic eruption 3,500 years ago. The six-mile-wide caldera contains lava flows, cinder cones, and Surprise Lake, which drains through a 1,500-foot gap in the caldera wall to form the Aniakchak River. This remote and pristine wilderness offers exceptional opportunities for backcountry adventure and scientific study. Managed by the National Park Service, it is one of the least visited units in the national park system due to its remote location and challenging access.

90 miles of Appalachian Trail passes through Massachusetts

Jo Daviess County. Original 297 acres purchased in 1932, now approximately 1,907 acres (7.72 km²).

14,000+ acres spanning Richmond, Exeter, Hopkinton, West Greenwich. Rhode Island's largest management area. Mixed hardwoods, evergreens, fields

Arches National Park contains over 2,000 natural stone arches, the highest density of natural arches in the world. The park features soaring pinnacles, massive fins, and giant balanced rocks. Its red rock landscape showcases the power of natural erosion in creating stunning geological features.

McDonough County, near Colchester. 1,700 acres (6.88 km²) with 93-acre Argyle Lake. Dam erected in 1948.

Echo Lake swimming, hiking, camping, Presque Isle, Maine's first state park

Protects Spirit Mountain and surrounding sacred tribal lands south of Las Vegas

County: Pickaway County. 309 acres (1.25 km²). Park has 145-acre Hargus Lake. Renamed in 1962 in honor of A.W. Marion, first director of ODNR

Mississippian culture village site (1000-1300 CE) on Crawfish River. Designated National Historic Landmark.

Aztec Ruins National Monument preserves ancestral Puebloan structures built and used between 1100 and 1300 CE. Despite its name, the ruins have no connection to the Aztec civilization but were misnamed by early European-American settlers. The monument features a reconstructed Great Kiva, the only one of its kind, and well-preserved masonry buildings that demonstrate sophisticated ancient architecture. Managed by the National Park Service, the site provides insight into the complex society of the ancestral Puebloan people.

Protects lands adjacent to Grand Canyon with significant tribal cultural resources

Iowa's first state park, features Devil's Backbone rock ridge

Features 276-acre fishing lake outside Des Moines

Badlands National Park features dramatically eroded buttes, pinnacles, and spires blended with the largest undisturbed mixed grass prairie in the United States. The park contains one of the world's richest fossil beds from the Oligocene epoch. Ancient mammals such as the rhino, horse, and saber-toothed cat once roamed here.

Large recreation area in southeast Michigan

Bandelier National Monument protects over 33,000 acres of rugged canyon and mesa country, including ancestral Puebloan archaeological sites dating from 1150 to 1600 CE. The monument features cliff dwellings, petroglyphs, and the remains of large pueblo communities built from volcanic tuff. Visitors can explore ancient cave rooms carved into the cliff faces and walk among the foundations of multi-story pueblo buildings. Managed by the National Park Service, Bandelier preserves both cultural resources and diverse high-desert ecosystems of the Pajarito Plateau.

County: Belmont County. 1,005 acres (4.07 km²). Land acquisition began in 1955, dam completed in 1963. Centers around 117-acre Belmont Lake

424 acres, Massachusetts highest single-drop waterfall at 60 feet

Protects Garden and Coal valleys with their rock art and wildlife

Volcanic crater with fishing, swimming, camping. Forested land in Cascade foothills.

Battle Island State Park in Oswego County, Central Region

Mount Katahdin, operated by Baxter State Park Authority, Piscataquis County

Bayswater Point State Park in Queens County, New York City Region

66-acre camping park with 1,285 feet of saltwater shoreline on Padilla Bay.

Features 848-foot basalt volcanic plug. Located in Columbia River Gorge National Scenic Area.

Wabash County. 635 acres (2.57 km²), 329 acres old-growth forest designated as Illinois Nature Preserve in 1966. Land purchased by state in 1965.

Largest developed state park in New Hampshire at 10,083 acres

Historic park, includes Anthony Wayne Recreation Area

Bears Ears National Monument protects a culturally significant landscape sacred to Native American tribes in southeastern Utah. The monument encompasses ancient cliff dwellings, rock art, and ceremonial sites spanning thousands of years of indigenous history. Managed jointly by the Bureau of Land Management and U.S. Forest Service, it features dramatic red rock formations and diverse ecosystems. The area contains over 100,000 archaeological sites and is considered one of the most significant cultural landscapes in the United States.

County: Columbiana County. 2,722 acres (11.02 km²). Features historic remnants of Sandy and Beaver Canal including Gaston's Mill

Macoupin County, near Carlinville. 750 acres (3.04 km²) with 59-acre lake. Initial 425 acres acquired in 1947.

153 acres on southern tip of Conanicut Island, Jamestown. Features Beavertail Lighthouse (1856). Created 1980 from federal surplus land

Beechwood State Park in Wayne County, Finger Lakes Region

99-acre reservoir with famous CCC-built limestone dam

235 acres, largest remaining salt marsh in Boston

Historic island park on Detroit River; managed by Michigan DNR since 2014

Belmont Lake State Park in Suffolk County, Long Island Region

Features 64-foot observation tower. No camping facilities.

Belmont-Paul Women's Equality National Monument preserves the historic house that served as headquarters for the National Woman's Party from 1929 to 1997. Managed by the National Park Service, this Capitol Hill site tells the story of the women's suffrage movement and the ongoing fight for equal rights. The monument honors Alice Paul, Lucy Burns, and other suffragists who strategized and organized from this location. It contains an extensive collection of suffrage artifacts, banners, and documents chronicling the struggle for women's political equality.

Site of the Battle of Bennington fought on August 16, 1777, during the American Revolutionary War

Berryessa Snow Mountain National Monument protects diverse landscapes in Northern California's Coast Range and Cascade foothills. Managed by the Bureau of Land Management and U.S. Forest Service, the monument encompasses oak woodlands, chaparral, and coniferous forests. The area provides critical habitat for wildlife and offers recreational opportunities including hiking, camping, and wildlife viewing. It serves as an important corridor connecting larger protected areas and preserves the headwaters of several significant watersheds.

Famous golf courses including Bethpage Black Course