This bill provides for the preservation, conservation, and recreational use of public lands, including in Arizona, California, Maine, North Carolina, Oregon, Virginia, Washington, and the U.S. Virgin Islands.

In Colorado, the bill designates wilderness, potential wilderness, a recreation management area, wildlife conservation areas, a national historic landscape, and special management areas and establishes the Greater Thompson Divide Fugitive Coal Mine Methane Use Pilot Program, the Fugitive Methane Emission Leasing Program, and a recreation area.

In California, the bill

• establishes a recreation area, partnerships, and a special management area;
• designates a trail, wilderness, potential wilderness, and wild, scenic, and recreational rivers;
• establishes a special conservation management area;
• establishes the San Gabriel National Recreation Area Public Advisory Council and the San Gabriel National Recreation Area Partnership; and
• adds specified areas to the Rosie the Riveter/World War II Home Front National Historical Park.

In Washington, the bill designates wilderness and wild, scenic, and recreational rivers.

In Arizona and Oregon, the bill withdraws specified federal lands.

In North Carolina and Virginia, the bill requires a study of designating an area as the Great Dismal Swamp National Heritage Area.

In Maine, the bill designates a recreational river.

In the U.S. Virgin Islands, the bill establishes a heritage area.

In Virginia, the bill adds certain lands to Rough Mountain and Rich Hole Wildernesses.

The bill extends the Cape Cod National Seashore Advisory Commission until September 26, 2028.

The bill establishes an outdoor recreation legacy partnership grant program.

The bill establishes a National Heritage Area System.

This bill designates specified lands in Colorado managed by the Bureau of Land Management (BLM) or the Forest Service as wilderness and as components of the National Wilderness Preservation System.

The bill designates specified lands in Colorado administered by the BLM, the National Park Service, and Bureau of Reclamation as wilderness and as components of the National Wilderness Preservation System. Such lands shall be incorporated into the West Elk Wilderness.

The Department of the Interior may continue authorizing competitive running events currently permitted in the Redcloud Peak Wilderness and Handies Peak Wilderness Areas.

The Colorado Army National Guard, through the High-Altitude Army National Guard Aviation Training Site, may conduct aerial navigation training maneuver exercises over the wilderness areas designated by this bill.

The bill designates specified lands managed by the BLM as (1) potential wilderness areas, and (2) the Pisgah East Wilderness and the Pisgah West Wilderness upon publication by Interior of a notice in the Federal Register that all nonconforming uses of such lands authorized by this bill have ceased.

The bill provides for the securing, adjudication, and use of U.S. water rights for certain of the wilderness areas designated by this bill.

The Department of Defense shall conduct a study on the impacts that the expansion of wilderness designations in the Western United States would have on the readiness of the U.S. Armed Forces with respect to aviation training.