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3,603 parks

Great River National Wildlife Refuge
Missouri
What is now known as Great River National Wildlife Refuge began in 1958 as part of Mark Twain National Wildlif…
Great Salt Lake State Park
Utah
Utah State Parks: Great Salt Lake State Park provides boat slips, public viewpoints of Great Salt Lake, sail a…

Great Salt Plains Lake
Kansas
Visit Great Salt Plains National Wildlife Refuge, one of the chain of refuge areas for ducks and geese on the …
Great Sand Dunes National Park & Preserve
Colorado
Open 24/7 year round! There are no timed entries or reservations to visit. The tallest dunes in North America…
Great Smoky Mountains National Park
Kentucky
Ridge upon ridge of forest straddles the border between North Carolina and Tennessee in Great Smoky Mountains …

Great Swamp National Wildlife Refuge
New Jersey
The Great Swamp National Wildlife Refuge (NWR) is one of more than 560 refuges in the National Wildlife Refuge…

Great Western Trail
Utah
This multiple-use trail crosses BLM and Forest Service lands in this area. The corridor provides for all uses …

Great White Heron National Wildlife Refuge
Florida
Great White Heron National Wildlife Refuge was established in 1938 as a haven for great white herons, migrator…

Greater Farallones National Marine Sanctuary
California
An area of 3,295 square miles off the northern and central California coast, Greater Farallones National Marin…

Greater Sand Dunes SRMA
Wyoming
The Greater Sand Dunes Special Recreation Management Area (SRMA) includes the following recreation sites: Kill…

Green Bay National Wildlife Refuge
Michigan
On February 21, 1912, President William Howard Taft established Green Bay National Wildlife Refuge, our nation…

Green Cay National Wildlife Refuge
U.S. Virgin Islands
Green Cay National Wildlife Refuge was established in 1977 to protect the endangered St. Croix ground lizard. …

Green Mountain & Finger Lakes National Forests
Pennsylvania

Green Mountain National Forest
Vermont
Running along the spine of Vermont's Green Mountains, this forest protects nearly 400,000 acres of rugged peak…
Green Mountain Reservoir
Colorado
The dam is on the western slope 13 miles southeast of Kremmling, Colorado, on the Blue River, a tributary of t…

Green Peter Lake
Oregon
Located in the beautiful Willamette Valley on the Middle Santiam River, Green Peter Lake provides boating, swi…

Green River Lake
Kentucky
Green River Lake is the largest project in the Louisville District -- counting both the land and water acreage…

Green River State Park
Utah
Cottonwood-lined fairways wrap around the campground and trace the banks of the Green River. This verdant park…

Green River/Warren Bridge River Access Area
Wyoming
The Green River/Warren Bridge River Access Area provides an opportunity to enjoy the Green River and related …

Green Springs
Virginia
Green Springs National Historic Landmark District in Virginia’s Piedmont encompasses over 14,000 acres. Its la…

Green Springs
Virginia
Green Springs National Historic Landmark District in Virginia’s Piedmont encompasses over 14,000 acres. Its la…

Greenhalgh Trail
Utah
The Greenhalgh (pronounced “Green-off”) Trail is a three- to four-mile roundtrip out-and-back hiking and eques…

Greers Ferry Lake
Arkansas
Greers Ferry Dam stands at the foot of beautiful Round Mountain in the Ozark Mountains of north-central Arkans…

Grenada Lake
Mississippi
Grenada Lake, MS, on the Yalobusha and Skuna Rivers, is home to the "Thunder on Water" festival held annually …