| Nom du Parc | Etat/Ville | Type du Parc |
|---|---|---|
| Ha Ha Tonka State Park | Missouri (Camdenton) | State Park |
| Hacklebarney State Park | New Jersey (Long Valley) | State Park |
| Haddam Island State Park | Connecticut (Haddam) | State Park |
| Haddam Meadows State Park | Connecticut (Haddam) | State Park |
| Hagerman Fossil Beds National Monument | Idaho (Hagerman) | National Monument |
| Haʻena State Park | Hawaii (Kauaʻi, Wainiha) | State Park |
| Haines Memorial State Park | Rhode Island (East Providence) | State Park |
| Haleakala National Park | Hawaii (Pukalani) | National Park |
| Haley Farm State Park | Connecticut (Groton) | State Park |
| Half Moon Pond State Park | Vermont (Hubbardton) | State Park |
| Halibut Point State Park | Massachusetts (Rockport) | State Park |
| Hamburg State Park | Georgie (Mitchell) | State Park |
| Hamilton Branch State Park | Caroline du Sud (Plum Branch) | State Park |
| Hamilton Grange National Memorial | New York (New York) | National Memorial |
| Hamlin Beach State Park | New York (Hamlin) | State Park |
| Hammocks Beach State Park | Caroline du Nord (Jacksonville) | State Park |
| Hammonasset Beach State Park | Connecticut (Madison) | State Park |
| Hampson Archeological Museum State Park | Arkansas (Wilson) | State Park |
| Hampton Beach State Park | New Hampshire (Hampton) | State Park |
| Hampton National Historic Site | Maryland (Towson) | National Historic Site |
| Hampton Ponds State Park | Massachusetts (Westfield) | State Park |
| Hanging Rock State Park | Caroline du Nord (Winston-Salem) | State Park |
| Hard Labor Creek State Park | Georgie (Rutledge) | State Park |
| Harkness Memorial State Park | Connecticut (Waterford) | State Park |
| Harmonie State Park | Indiana (New Harmony) | State Park |
| Harmony Hall | Maryland (Prince George's County) | |
| Harmony Headlands State Park | Californie (Harmony) | State Park |
| Harpers Ferry National Historical Park | Virginie-Occidentale (Harpers Ferry) | National Historical Park |
| Harpeth River State Park | Tennessee (Kingston Springs) | State Park |
| Harriet Tubman Underground Railroad State Park | Maryland (Church Creek) | State Park |
| Harriman State Park | Idaho (Island Park) | State Park |
| Harriman State Park | New York (Ramapo) | State Park |
| Harrington Beach State Park | Wisconsin (Belgium Town) | State Park |
| Harris Beach State Park | Oregon (Brookings) | State Park |
| Harrison Bay State Park | Tennessee (Harrison) | State Park |
| Harrison Lake State Park | Ohio (Fayette) | State Park |
| Harrisville State Park | Michigan (Harrisville) | State Park |
| Harry S Truman National Historic Site | Missouri (Independence and Grandview) | National Historic Site |
| Harry S Truman State Park | Missouri (Warsaw) | State Park |
| Hart-Miller Island State Park | Maryland (Kingsville) | State Park |
| Hartford Beach State Park | Dakota du Sud (Corona) | State Park |
| Hartman Creek State Park | Wisconsin (Waupaca) | State Park |
| Hartwick Pines State Park | Michigan (Grayling) | State Park |
| Harvey Gap State Park | Colorado (New Castle) | State Park |
| Hat Rock State Park | Oregon (Pendleton) | State Park |
| Haw River State Park | Caroline du Nord (Greensboro) | State Park |
| Hawaii Volcanoes National Park | Hawaii (Hilo) | National Park |
| Hawks Nest State Park | Virginie-Occidentale (Ansted) | State Park |
| Hawn State Park | Missouri (Ste. Genevieve) | State Park |
| Hayes Lake State Park | Minnesota (Roseau) | State Park |
| Hayes State Park | Michigan (Onsted) | State Park |
| Haystack Mountain State Park | Connecticut (Norfolk) | State Park |
| Headlands Beach State Park | Ohio (Mentor) | State Park |
| Hearst San Simeon State Park | Californie (Cambria) | State Park |
| Heckscher State Park | New York (East Islip) | State Park |
| Heʻeia State Park | Hawaii (Oahu, Kaneohe) | State Park |
| Helen McNitt State Park | New York (Cazenovia) | State Park |
| Hells Gate State Park | Idaho (Lewiston) | State Park |
| Hempstead Lake State Park | New York (West Hempstead) | State Park |
| Henderson Beach State Park | Floride (Destin) | State Park |
| Hendy Woods State Park | Californie (Philo) | State Park |
| Hennepin Canal Parkway State Park | Illinois (Sheffield) | State Park |
| Henry Cowell Redwoods State Park | Californie (Pasatiempo) | State Park |
| Henry Horton State Park | Tennessee (Chapel Hill) | State Park |
| Henry W. Coe State Park | Californie (San José) | State Park |
| Henrys Lake State Park | Idaho (Island Park) | State Park |
| Herbert Hoover National Historic Site | Iowa (West Branch) | National Historic Site |
| Heritage Hill State Park | Wisconsin (Green Bay) | State Park |
| Herman Davis State Park | Arkansas (Manila) | State Park |
| Heron Lake State Park | Nouveau Mexique (Los Ojos) | State Park |
| Herrington Manor State Park | Maryland (Oakland) | State Park |
| Heyburn State Park | Idaho (Plummer) | State Park |
| Hickory Run State Park | Pennsylvanie (White Haven) | State Park |
| Higganum Reservoir State Park | Connecticut (Higganum) | State Park |
| High Bridge Trail State Park | Virginie (Green Bay) | State Park |
| High Cliff State Park | Wisconsin (Sherwood) | State Park |
| High Falls State Park | Georgie (Jackson) | State Park |
| High Point State Park | New Jersey (Wantage) | State Park |
| High Tor State Park | New York (New City) | State Park |
| Highland Lakes State Park | New York (Middletown) | State Park |
| Highlands Hammock State Park | Floride (Sebring) | State Park |
| Highline Lake State Park | Colorado (Loma) | State Park |
| Higley Flow State Park | New York (Colton) | State Park |
| Hilgard Junction State Park | Oregon (LaGrande) | State Park |
| Hill Annex Mine State Park | Minnesota (Bigfork) | State Park |
| Hillman State Park | Pennsylvanie (Hookstown) | State Park |
| Hills Creek State Park | Pennsylvanie (Wellsboro) | State Park |
| Hillsborough River State Park | Floride (Thonotosassa) | State Park |
| Hillsdale State Park | Kansas (Hillsdale) | State Park |
| Historic Lake Scott State Park | Kansas (Scott City) | State Park |
| Historic Washington State Park | Arkansas (Washington) | State Park |
| Hither Hills State Park | New York (Montauk) | State Park |
| Hiwassee/Ocoee Scenic River State Park | Tennessee (Delano) | State Park |
| Hocking Hills State Park | Ohio (Logan) | State Park |
| Hoeft State Park | Michigan (Rogers City) | State Park |
| Hoffmaster State Park | Michigan (Muskegon) | State Park |
| Hohokam Pima National Monument | Arizona (Coolidge) | National Monument |
| Holland State Park | Michigan (Holland) | State Park |
| Holliday Lake State Park | Virginie (Appomattox) | State Park |
| Holly River State Park | Virginie-Occidentale (Hacker Valley) | State Park |
| Holmes County State Park | Mississippi (Durant) | State Park |
| Holts Landing State Park | Delaware (Dagsboro) | State Park |
| Holyoke Heritage State Park | Massachusetts (Holyoke) | State Park |
| Home Of Franklin D Roosevelt National Historic Site | New York (Hyde Park) | National Historic Site |
| Homestead National Monument of America | Nebraska (Beatrice) | National Monument of America |
| Homolovi State Park | Arizona (Winslow) | State Park |
| Honeoye Lake Boat Launch State Park | New York (Honeoye) | State Park |
| Honey Creek State Park | Iowa (Moravia) | State Park |
| Honeymoon Island State Park | Floride (Dunedin) | State Park |
| Hontoon Island State Park | Floride (Deland) | State Park |
| Hopatcong State Park | New Jersey (Hopatcong) | State Park |
| Hope Island Marine State Park - Mason County | Washington (Mason) | State Park |
| Hope Island Marine State Park - Skagit County | Washington (La Conner) | State Park |
| Hopemead State Park | Connecticut (Montville) | State Park |
| Hopeville Pond State Park | Connecticut (Griswold) | State Park |
| Hopewell Culture National Historical Park | Ohio (Chillicothe) | National Historical Park |
| Hopewell Furnace National Historic Site | Pennsylvanie (Elverson) | National Historic Site |
| Hopkinton State Park | Massachusetts (Hopkinton) | State Park |
| Horse Guard State Park | Connecticut (Avon) | State Park |
| Horseshoe Bend | Arizona (Page) | Overlook |
| Horseshoe Bend National Military Park | Alabama (Daviston) | National Military Park |
| Horseshoe Lake State Park | Illinois (Granite City) | State Park |
| Hot Springs National Park | Arkansas (Hot Springs) | National Park |
| Hot Springs State Park | Wyoming (Thermopolis) | State Park |
| Housatonic Meadows State Park | Connecticut (Cornwall Bridge) | State Park |
| Hovenweep National Monument | Utah (Bluff) | National Monument |
| Hubbell Trading Post National Historic Site | Arizona (Ganado) | National Historic Site |
| Hudson River Islands State Park | New York (Coxsackie) | State Park |
| Hueco Tanks State Park & Historic Site | Texas (El Paso) | State Park |
| Hueston Woods State Park | Ohio (College Corner) | State Park |
| Hugh Taylor Birch State Park | Floride (Fort Lauderdale) | State Park |
| Hugh White State Park | Mississippi (Grenada) | State Park |
| Humaston Brook State Park | Connecticut (Litchfield) | State Park |
| Humboldt Lagoons State Park | Californie (Orick) | State Park |
| Humboldt Redwoods State Park | Californie (Burlington) | State Park |
| Hungry Mother State Park | Virginie (Marion) | State Park |
| Hunting Island State Park | Caroline du Sud (Hunting Island) | State Park |
| Huntington Beach State Park | Caroline du Sud (Murrells Inlet) | State Park |
| Huntington State Park | Utah (Huntington) | State Park |
| Huntsville State Park | Texas (Huntsville) | State Park |
| Hurd State Park | Connecticut (East Hampton) | State Park |
| Hyde Memorial State Park | Nouveau Mexique (Santa Fe) | State Park |
| Hyner Run State Park | Pennsylvanie (North Bend) | State Park |
| Hyner View State Park | Pennsylvanie (Hyner) | State Park |
| HYRUM STATE PARK | Utah (Hyrum) | State Park |
| Queen Wilhelmina State Park | Arkansas (Mena) | State Park |
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