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3,603 parks
Imperial National Wildlife Refuge
Arizona
Imperial National Wildlife Refuge was established by Executive Order 8685 on February 14, 1941. The 25,768-acr…
Imperial Reservoir Area: Mittry Lake Wildlife Area
Arizona
Mittry Lake Wildlife Area lies in and adjacent to the floodplain of the Colorado River between Laguna and Impe…
Imperial Reservoir Area: Picacho State Recreation Area
Arizona
This is a popular area for camping, fishing, desert exploring and river running. The area also has a group ca…
Imperial Sand Dunes
Arizona
OverviewLocated in the southeast corner of California, the Imperial Sand Dunes are the largest mass of sand du…
Independence National Historical Park
Pennsylvania
The park represents the founding ideals of the nation, and preserves national and international symbols of fre…
Independence National Historical Park
New Jersey
The park represents the founding ideals of the nation, and preserves national and international symbols of fre…
Indian Bread Rocks Picnic Area
Arizona
Consisting of the rugged slopes of the Dos Cabezas Mountains, elevations range from 4,080 feet to 7,500 feet, …
Indian Creek - Bears Ears National Monument
Utah
The Indian Creek Special Recreation Management area contains the northern portion of Bears Ears National Monum…
Indian Creek Recreation Area
California
Situated in the eastern foothills of the Sierra Nevada, Indian Creek Recreation Area offers a variety of outdo…
Indian Pass Wilderness
Arizona
The Indian Pass Wilderness now contains a total of 32,418 acres and is managed by the Bureau of Land Managemen…
Indian Valley Management Area
California
Note: Click here to view our California State Parks OHV grant preliminary applications. The public comment per…
Indiana Dunes National Park
Indiana
Lake Michigan's might has influenced Indiana Dunes for millennia. Wind and waves have shaped the land, leaving…
Innoko National Wildlife Refuge
Alaska
The Innoko National Wildlife Refuge, traditional homelands of the Koyukon Athabascan people, was established b…
Inyo Mountains Wilderness
California
Overview The north-south Inyo Mountains comprise a high and vast desert range, and the isolated and pristine…
Inyo National Forest
California
Inyo National Forest
California
Home to the Ancient Bristlecone Pine Forest with the oldest known living trees on Earth, Inyo spans the dramat…
Iñupiat Heritage Center
Alaska
On the rooftop of the world, the Iñupiat Heritage Center in Barrow, Alaska, tells the story of the Iñupiat peo…
Iñupiat Heritage Center
Alaska
On the rooftop of the world, the Iñupiat Heritage Center in Barrow, Alaska, tells the story of the Iñupiat peo…
Iowa Wetland Management District
Iowa
Iowa Wetland Management District includes 75 waterfowl production areas encompassing more than 25,000 acres sc…
Iron Hills Trail System
Utah
The Iron Hills Trail System is a 30-mile network of beginner, intermediate, and advanced trails located on Bur…
Iron Mountain Divisional Camp -Patton
Arizona
This site was designated as an ACEC due to the historical significance of the area. Camp Iron Mountain is the…
Ironwood Forest National Monument
Arizona
The Ironwood Forest National Monument, which takes its name from one of the longest living trees in the Arizon…
Iroquois National Wildlife Refuge
Pennsylvania
Our namesake comes from the Iroquois (Haudenosaunee) Confederacy, a powerful and enduring alliance that has th…
Ishi Wilderness
Oregon
The Ishi Wilderness now contains a total of 41,339 acres and is managed by the Bureau of Land Management and t…