For the more information about the geologic resources of the National Park Service, please visit

Tour of Park Geology

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All National Park units are listed here - if they're on earth, they must have geology! Links are provided for all parks currently on the Park Geology Tour. For information about the parks not on the geology tour, go to the Park List on the main National Park website. If you would like to contribute images or materials for Park Geology pages, please contact us.


AL Alabama

Horseshoe Bend NMP
Little River Canyon Npres
Natchez Trace Parkway
Russell Cave NM
Tuskegee Institute NHS


AK Alaska

Alagnak Wild River
Aniakchak NM
Aniakchak NPres
Bering Land Bridge Npres
Cape Krusenstern NM
Denali NP&Pres
Gates of the Arctic NP&Pres
Glacier Bay NP&Pres
Katmai NP&Pres
Kenai Fjords NP
Klondike Gold Rush NHP
Kobuk Valley NP
Lake Clark NP&Pres
Noatak Npres
Sitka NHP
Wrangell-St Elias NP&Pres
Yukon-Charley Rivers Npres


American Samoa

National Park of American Samoa


AZ Arizona

Canyon de Chelly NM
Casa Grande Ruins NM
Chiricahua NM
Coronado Nmem
Fort Bowie NHS
Glen Canyon NRA
Grand Canyon NP
Lake Mead NRA
Hubbell Trading Post NHS
Montezuma Castle NM
Navajo NM
Organ Pipe Cactus NM
Parashant NM
Petrified Forest NP
Pipe Spring NM
Saguaro NP
Sunset Crater Volcano NM
Tonto NM
Tumacacori NHP
Tuzigoot NM
Walnut Canyon NM
Wupatki NM


AR Arkansas

Arkansas Post NMem
Buffalo NR
Fort Smith NHS
Hot Springs NP
Pea Ridge NMP


CA California

Cabrillo NM
Channel Islands NP
Death Valley NP
Devils Postpile National Monument
Eugene O'Neill NHS
Fort Point NHS
Golden Gate NRA
John Muir NHS
Joshua Tree NP
Kings Canyon NP
Lassen Volcanic NP
Lava Beds NM
Manzanar NHS
Mojave Npres
Muir Woods NM
Pinnacles NM
Point Reyes NS
Presidio of San Francisco
Redwood N&SP
San Francisco Maritime NHP
Santa Monica Mountains NRA
Sequoia National Park
Whiskeytown-Shasta-Trinity NRA
Yosemite NP


CO Colorado

Bent's Old Fort NHS
Black Canyon of the Gunnison NM
Colorado NM
Curecanti NRA
Dinosaur NM
Florissant Fossil Beds NM
Great Sand Dunes NM
Hovenweep NM
Mesa Verde NP
Rocky Mountain NP
Yucca House NM


CT Connecticut

Weir Farm NHS


DC District of Columbia

Constitution Gardens
Ford's Theatre NHS
Franklin Delano Roosevelt Memorial
Frederick Douglass NHS
George Washington Memorial Parkway
Korean War Veterans Memorial
Lincoln Memorial
Lyndon Baines Johnson Memorial Grove on the Patomac
Mary McLeod Bethune Council House NHS
National Capitol Parks
National Mall
Pennsylvania Avenue NHS
Rock Creek Park
Theodore Roosevelt Island
Thomas Jefferson Memorial
Vietam Veterans Memorial
Washington Monument
White House


DE Delaware


FL Florida

Big Cypress Npres
Biscayne NP
Canaveral NS
Castillo de San Marcos NM
De Soto Nmem
Dry Tortugas NP
Everglades NP
Fort Caroline NMem
Fort Matanzas NM
Gulf Islands NS
Timucuan Ecological & Hist Preserve


GA Georgia

Andersonville NHS
Chattahoochee River NRA
Chickamauga & Chattanooga NMP
Cumberland Island NS
Fort Frederica NM
Fort Pulaski NM
Jimmy Carter NHS
Kennesaw Mountain NBP
Martin Luther King Jr NHS
Ocmulgee NM
Overmountain Victory NHT
Tuskegee Airmen NHS


GU Guam

War in the Pacific NHP


HI Hawaii

Haleakala NP
Hawaii Volcanoes NP
Kalaupapa NHP
Kaloko-Honokohau NHP
Pu'uhonua o Honaunau NHP
Puukohola Heiau NHS
USS Arizona Memorial


ID Idaho

City of Rocks N RES
Craters of the Moon NM
Hagerman Fossil Beds NM
Nez Perce NHP
Yellowstone National Park


IL Illinois

Chicago Portage NHS
Lincoln Home NHS


IN Indiana

George Rogers Clark NHP
Indiana Dunes NL
Lincoln Boyhood NMem


IA Iowa

Effigy Mounds NM
Herbert Hoover NHS


KS Kansas

Brown v. Board of Education NHS
Fort Larned NHS
Fort Scott NHS
Nicodemus NHS
Tallgrass Prairie NPres


KY Kentucky

Abraham Lincoln Birthplace NHS
Big South Fork National River& Recreation Area
Cumberland Gap NHP
Mammoth Cave NP


LA Louisiana

Cane River Creole NHP
Jean Lafitte NHP & PRES
New Orleans Jazz NHP
Poverty Point NM
Vicksburg National Military Park


ME Maine

Acadia NP
Roosevelt Campobello International Park
Saint Croix Island International Historic Site


MD Maryland

Antietam NB
Assateague Island NS
Baltimore-Washington Parkway
Catoctin Mountain Park
Chesapeake & Ohio Canal NHP
Fort McHenry NM & Historic Shrine
George Washington Memorial Parkway
Greenbelt Park
Hampton NHS
Harpers Ferry National Historical Park
Monocacy NB
Piscataway Park
Thomas Stone National Historic Site


MA Massachusetts

Adams NHS
Boston African-American NHS
Boston Harbor Islands NRA
Boston NHP
Cape Cod NS
Frederick Law Olmsted NHS
John Fitzgerald Kennedy NHS
Longfellow NHS
Lowell NHP
Minute Man NHP
New Bedford Whaling NHP
Salem Maritime NHS
Saugus Iron Works NHS
Springfield Armory NHS


MI Michigan

Father Marquette NM
Isle Royale NP
Keweenaw NHP
Pictured Rocks NL
Sleeping Bear Dunes NL


MN Minnesota

Grand Portage NM
Mississippi NRRA
Pipestone NM
Saint Croix National Scenic Riverway
Voyageurs NP


MS Mississippi

Brices Cross Roads NBS
Gulf Islands National Seashore
Natchez NHP
Natchez Trace NST
Natchez Trace Parkway
Tupelo NB
Vicksburg NMP


MO Missouri

George Washington Carver NM
Harry S Truman NHS
Jefferson National Expansion Memorial
Ozark National Scenic Riverway
Ulysses S. Grant NHS
Wilson's Creek NB


MT Montana

Big Hole NB
Bighorn Canyon NRA
Glacier NP
Grant-Kohrs Ranch NHS
Little Bighorn Battlefield NM
Nez Perce NHP
Yellowstone NP


NE Nebraska

Agate Fossil Beds NM
Chimney Rock NHS
Homestead NM of America
Missouri National Recreational River
Niobrara National Scenic Riverway
Scotts Bluff NM


NV Nevada

Death Valley National Park
Great Basin NP
Lake Mead NRA


NH New Hampshire

Saint-Gaudens NHS


NJ New Jersey

Deleware Water Gap National Recreation Area
Edison NHS
Gateway National Recreation Area
Morristown NHP


NM New Mexico

Aztec Ruins NM
Bandelier NM
Capulin Volcano NM
Carlsbad Caverns NP
Chaco Culture NHP
El Malpais NM
El Morro NM
Fort Union NM
Gila Cliff Dwellings NM
Pecos NHP
Petroglyph NM
Salinas Pueblo Missions NM
White Sands NM


NY New York

Castle Clinton NM
Eleanor Roosevelt NHS
Ellis Island Immigration Museum
Federal Hall NMem
Fire Island NS
Fort Stanwix NM
Gateway NRA
General Grant NMem
Governors Island NM
Hamilton Grange NMem
Home of Franklin D. Roosevelt NHS
Martin Van Buren NHS
Sagamore Hill NHS
Saint Paul's Church NHS
Saratoga NHP
Statue of Liberty NM
Theodore Roosevelt Birthplace NHS
Theodore Roosevelt Inaugural NHS
Vanderbilt Mansion NHS
Women's Rights NHP


NC North Carolina

Blue Ridge Parkway
Cape Hatteras NS
Cape Lookout NS
Carl Sandburg Home NHS
Fort Raleigh NHS
Great Smoky Mountains NP
Guilford Courthouse NMP
Moores Creek NB
Wright Brothers NMem


ND North Dakota

Fort Union Trading Post NHS
Knife River Indian Village NHS
Theodore Roosevelt NP


OH Ohio

Cuyahoga Valley NP
Dayton Aviation Heritage NHP
Hopewell Culture NHP
James A. Garfield NHS
Perry's Victory & Internatl Peace Mem.
William Howard Taft NHS


OK Oklahoma

Chickasaw NRA
Fort Smith National Historic Site
Oklahoma City National Memorial
Washita Battlefield NHS


OR Oregon

Crater Lake NP
Fort Clatsop NMem
John Day Fossil Beds NM
Lewis and Clark National Historical Park
Nez Perce NHP
Oregon Caves NM


PA Pennsylvania

Allegheny Portage Railroad NHS
Delaware Water Gap NRA
Edgar Allan Poe NHS
Eisenhower NHS
Fort Necessity NB
Friendship Hill NHS
Gettysburg NMP
Hopewell Furnace NHS
Independence NHP
Johnstown Flood NMem
Steamtown NHS
Upper Delaware Scenic and Recreational River
Valley Forge NHP


PR Puerto Rico

San Juan National Historic Site


RI Rhode Island

Roger Williams Nmem


SC South Carolina

Charles Pinckney NHS
Congaree Swamp NM
Cowpens NB
Fort Moultrie NM
Fort Sumter NM
Kings Mountain National Military Park
Ninety Six NHS


SD South Dakota

Badlands NP
Jewel Cave NM
Missouri National Recreational River
Mount Rushmore Nmem
Wind Cave NP


TN Tennessee

Andrew Johnson NHS
Big South Fork NRRA
Chickamauga and Chatanooga National Military Park
Cumberland Gap National Historical Park
Fort Donelson NB
Great Smoky Mountains NP
Obed Wild and Scenic River
Shiloh NMP
Stones River NB


TX Texas

Alibates Flint Quarries NM
Amistad NRA
Big Bend NP
Big Thicket Npres
Chamizal NMem
Fort Davis NHS
Guadalupe Mountains NP
Lake Meredith NRA
Lyndon B. Johnson NHP
Padre Island NS
Palo Alto Battlefield NHS
Rio Grande WSR
San Antonio Missions NHP


UT Utah

Arches NP
Bryce Canyon NP
Canyonlands NP
Capitol Reef NP
Cedar Breaks NM
Dinosaur National Monument
Glen Canyon National Recreation Area
Golden Spike NHS
Hovenweep National Monument
Natural Bridges NM
Rainbow Bridge NM
Timpanogos Cave NM
Zion NP


VT Vermont

Marsh-Billings-Rockefeller NHP


VA Virginia

Appomattox Court House NHP
Arlington House, The Robert E. Lee Mem
Assateague Island National Seashore
Blue Ridge Parkway
Booker T. Washington NM
Colonial NHP
Cumberland Gap National Historical Park
Fredericksburg & Spotsylvania Battlefields Memorial NMP
George Washington Birthplace NM
George Washington Memorial Parkway
Harpers Ferry National Historical Park
Jamestown National Historic Site
Manassas NBP
Petersburg NB
Potomac Heritage NST
Prince William Forest Park
Richmond NBP
Shenandoah NP
Wolf Trap Farm Park


VI Virgin Islands

Buck Island Reef National Monument
Christiansted National Historic Site
Salt River Bay National Historical Park and Ecological Reserve
Virgin Islands National Park
Virgin Islands Coral Reef NM


WA Washington

Ebey's Landing NH Reserve
Fort Vancouver NHS
Klondike Gold Rush--Seattle Unit
Lake Chelan NRA
Lake Roosevelt NRA
Lewis and Clark National Historical Park
Mount Rainier NP
Nez Perce National Historical Park
North Cascades NP
Olympic NP
Ross Lake NRA
San Juan Island NHP
Whitman Mission NHS


WV West Virginia

Bluestone NSR
Chesapeake and Ohio Canal National Historical Park
Gauley River NRA
Harpers Ferry NHP
New River Gorge NR


WI Wisconsin

Apostle Islands NL
Ice Age NST
Ice Age National Scientific Preserve
Saint Croix National Scenic Riverway


WY Wyoming

Bighorn Canyon National Recreation Area
Devils Tower NM
Fort Laramie NHS
Fossil Butte NM
Grand Teton NP
John D. Rockefeller Jr. Mem. Parkway
Yellowstone NP

Last Updated: January 03, 2017