Updated August 5, 2020 |
Infoplease Staff
Table of contents
| Name and location | Total acreage |
| Amistad (Tex.) | 58,500.00 |
| Bighorn Canyon (Wyo.-Mont.) | 120,296.22 |
| Big South Fork (Ky.-Tenn.) | 125,310.34 |
| Boston Harbor Islands (Mass.) | 1,482.25 |
| Chattahoochee River (Ga.) | 9,164.53 |
| Chickasaw (Okla.) | 9,888.83 |
| Curecanti (Colo.) | 41,972.42 |
| Delaware Water Gap (Pa.-N.J.) | 66,740.46 |
| Gateway (N.Y.-N.J.) | 26,606.63 |
| Gauley River (W.Va.) | 11,505.59 |
| Glen Canyon (Ariz.-Utah) | 1,254,306.19 |
| Golden Gate (Calif.) | 74,815.56 |
| Lake Chelan (Wash.) | 61,946.72 |
| Lake Mead (Ariz.-Nev.) | 1,495,664.00 |
| Lake Meredith (Tex.) | 44,977.63 |
| Lake Roosevelt (Wash.) | 100,390.31 |
| Mississippi (Minn.) | 53,775.00 |
| Ross Lake (Wash.) | 117,574.59 |
| Santa Monica Mountains (Calif.) | 153,672.77 |
| Whiskeytown-Shasta-Trinity (Calif.) | 42,503.46 |
| National Heritage Areas | The National Park System | National Heritage Corridors |
