Explore parks
3,603 parks
Ohio River - Newburgh Pool
Kentucky
One of the projects essential in maintaining the Ohio River navigational channel. This area is along the Lew…
Ohio River - Pike Island Pool
West Virginia
Provides a 30-mile pool on the Ohio River ideal for industry and recreation
Ohio River - Pool 52
Tennessee
Locks and Dam No. 52 is located on the Ohio River, near Brookport, IL, at mile 939 below Pittsburgh, Pennsylva…
Ohio River - Pool 53
Missouri
Locks and Dam No. 53 is located on the Ohio River, upstream of Mound City, IL.
Ohio River - Racine Pool
West Virginia
Provides a navigable pool extending 34 miles up the Ohio River to Belleville Locks and Dam. Take I-77 to Riple…
Ohio River - Robert. C. Byrd Pool
West Virginia
Visitor center has viewing area overlooking lock chamber. Visitors can view boats locking through and see exh…
Ohio River - Smithland Pool
Tennessee
The Smithland Navigation Project is located on the Ohio River 918.5 River Miles below Point Bridge, Pittsburgh…
Ohio River - Willow Island Pool
West Virginia
This facility replaced three obsolete locks & dams and provides a navigable pool 35.3 river miles to Hannibal …
Ohio River Islands National Wildlife Refuge
West Virginia
The Ohio River Islands National Wildlife Refuge was established in 1990 to protect, conserve, and restore habi…
Oil Region National Heritage Area
Pennsylvania
Oil Region National Heritage Area in northwestern Pennsylvania tells of the world’s first successful commercia…
Ojito Wilderness Area
New Mexico
Ojito Wilderness encompasses more than 11,000 acres of rugged high desert southwest of San Ysidro, New Mexico.…
Ojito Wilderness Study Area
New Mexico
The Ojito WSA is located adjacent to, and is under consideration for addition to, the Ojito Wilderness. Please…
Okanogan-Wenatchee National Forest
Washington
Okanogan-Wenatchee National Forest
Washington
Stretching across 3.8 million acres from the Canadian border to Goat Rocks along the eastern Cascades, Okanoga…
Okatibbee Lake
Mississippi
Okatibbee Lake is an 11,000-acre multi-purpose project. The Corps of Engineers maintains one full service cam…
Okefenokee National Wildlife Refuge
Georgia
The Okefenokee National Wildlife Refuge was established in 1937 as a "refuge and breeding ground for migratory…
Oklahoma City National Memorial
Oklahoma
The outdoor symbolic memorial is a place of quiet reflection, honoring victims, survivors, rescuers, and all w…
Oklahoma City National Memorial
Oklahoma
The outdoor symbolic memorial is a place of quiet reflection, honoring victims, survivors, rescuers, and all w…
Old Growth Ridge National Recreation Trail
Oregon
Beginning in the Whittaker Creek Campground, the steep Old Growth Ridge Trail ascends 750 vertical feet over a…
Old Hickory Lake
Tennessee
Old Hickory Lake is a popular recreation destination and ranks third in Corps-wide visitation. Lakefront prop…
Old Highway 91
Nevada
U.S. Highway 91 (“Old Highway 91”) U.S. Highway 91 was the first paved interstate highway to be constructed th…
Old Mormon Wagon Road
Utah
Wagon travel on the Northern Route of the Old Spanish Trail began in 1847, when the first Mormon settlement in…
Old Quarry Trails
Wyoming
Starting at the base of the Black Hills, the Old Quarry Trails system offers a wide variety of trails for all …
Old River Lock
Louisiana
Louisiana's Old River is a distinctive river with a remarkable history. Fifty miles northwest of Baton Rouge,…