Manhattan Project National Historical Park Act

Manhattan Project National Historical Park Act - Establishes the Manhattan Project National Historical Park as a unit of the National Park System, which may be composed of specified facilities, lands, or interests in one or more eligible areas or parts of such areas in Oak Ridge, Tennessee; Los Alamos, New Mexico; and Hanford, Washington. Requires inclusion of the B Reactor National Historic Landmark in Hanford.

Directs the Secretary of the Interior (the Secretary) and the Secretary of Energy (DOE) to enter into an agreement to govern their respective roles in administering the facilities, lands, or interests in land under the DOE's jurisdiction to be included in the Park.

Adds to the Park lands, interests in land, or facilities within the eligible areas which are acquired by the Secretary or are included in an amendment to the agreement.

Requires the Secretary to develop a general management plan for the Park in consultation and collaboration with the Oak Ridge, Los Alamos, and Richland DOE site offices.

Authorizes the Secretary to: (1) provide interpretive tours of historically significant Manhattan Project sites and resources in Tennessee, New Mexico, and Washington state that are located outside the boundary of the Park; and (2) enter into one or more agreements with the head of a federal agency to provide public access to, and management, interpretation, and historic preservation of, historically significant Project resources under the agency's control.

Prohibits the acquisition by condemnation of any land or interest in land under, or for the purposes of, this Act.

(This measure has not been amended since it was introduced. The summary has been expanded because action occurred on the measure.)

Manhattan Project National Historical Park Act - (Sec. 5) Establishes the Manhattan Project National Historical Park as a unit of the National Park System, which may be composed of specified facilities, lands, or interests in one or more eligible areas or parts of such areas in Oak Ridge, Tennessee; Los Alamos, New Mexico; and Hanford, Washington. Requires inclusion of the B Reactor National Historic Landmark in Hanford.

(Sec. 6) Directs the Secretary of the Interior (the Secretary) and the Secretary of Energy (DOE) to enter into an agreement to govern their respective roles in administering the facilities, lands, or interests in land under the DOE's jurisdiction to be included in the Park.

(Sec. 7) Requires the Secretary to consult with interested state, county, and local officials, and members of the public before executing any such agreement and in developing the general management plan.

Adds to the Park lands, interests in land, or facilities within the eligible areas which are acquired by the Secretary or are included in an amendment to the agreement.

(Sec. 8) Requires the Secretary to develop a general management plan for the Park in consultation and collaboration with the Oak Ridge, Los Alamos, and Richland DOE site offices.

Authorizes the Secretary to provide interpretive tours of historically significant Manhattan Project sites and resources that are located outside the boundary of the Park.

Prohibits the acquisition by condemnation of any land or interest in land under, or for the purposes of, this Act.

Authorizes the Secretary to: (1) enter into agreements with federal agencies to provide public access to, and management, interpretation, and historic preservation of, historically significant Manhattan Project resources under their control; and (2) accept donations from, and enter into cooperative agreements with, state, local, and tribal governments, organizations, or individuals to further the purpose of such an interagency agreement or to provide visitor services and administrative facilities within proximity to the Park.

Authorizes the Secretary to provide technical assistance for the management, interpretation, and historic preservation of historically significant Manhattan Project resources not included in the Park.

(Sec. 9) Prohibits anything in this Act, the establishment of the Park, or the management plan from being construed as creating buffer zones outside of the Park.

Prohibits anything in this Act from constituting a cause of action respecting activities outside or adjacent to the established boundary of the Park.