S. 1777Senate119th Congress (2025-2027)In Committee

Joshua Tree National Park Expansion Act

Introduced May 15, 2025

AI-Generated Summary

Updated November 24, 2025 at 12:31 AM UTC

The Joshua Tree National Park Expansion Act would enlarge the park by roughly 20,000 acres in California, shifting management of that land from the BLM to the National Park Service. It also sets up how the federal government can acquire the added land, with special rules for property owned by California. Finally, the bill renames the park’s Cottonwood Visitor Center after former Senator Dianne Feinstein.

Key Provisions

  • Adds about 20,149 acres to Joshua Tree National Park’s boundary, as shown on a June 2024 proposed‑boundary map.
  • Moves administrative control of the newly added land from the Bureau of Land Management to the National Park Service.
  • Lets the Interior Secretary acquire land inside the expanded park by donation, purchase, exchange, or transfer, but limits acquisition of California‑state‑owned land to donation or exchange only.
  • Renames the Cottonwood Visitor Center at Joshua Tree National Park to the “Dianne Feinstein Visitor Center,” and requires all federal references to use the new name.

Legislative Activity

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2 earlier actions
SenateCommittee Latest Action

Committee on Energy and Natural Resources Subcommittee on National Parks. Hearings held. With printed Hearing: S.Hrg. 119-238.

December 9, 2025

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SenateIntro Referral

Introduced in Senate

May 15, 2025

SenateIntro Referral

Read twice and referred to the Committee on Energy and Natural Resources. (Sponsor introductory remarks on measure: S2953)

May 15, 2025

SenateCommittee

Committee on Energy and Natural Resources Subcommittee on National Parks. Hearings held. With printed Hearing: S.Hrg. 119-238.

December 9, 2025

Floor Debate

2 members

What members said about S. 1777 on the floor

1 Republican1 Democrat
Alex Padilla
Sen. Alex PadillaD-CA · May 15, 2025

Mr. President, I rise today to introduce the Joshua Tree National Park Expansion Act, which would do two things: expand the boundary of Joshua Tree National Park by 20,000 acres and rename the…

Alex Padilla
Sen. Alex PadillaD-CA · May 15, 2025

Mr. President, I rise today to introduce the Joshua Tree National Park Expansion Act, which would do two things: expand the boundary of Joshua Tree National Park by 20,000 acres and rename the…

John Barrasso
Sen. John BarrassoR-WY · May 15, 2025

Mr. President, I ask unanimous consent that the text of the bill be printed in the Record.

Bill Text

Latest available legislative text

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Introduced in SenateIssued May 15, 2025

II

119th CONGRESS

1st Session

S. 1777

IN THE SENATE OF THE UNITED STATES

May 15, 2025

Mr. Padilla introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources

A BILL

To amend the California Desert Protection Act of 1994 to expand the boundary of Joshua Tree National Park, to redesignate the Cottonwood Visitor Center at Joshua Tree National Park as the Dianne Feinstein Visitor Center, and for other purposes.

1.

Short title

This Act may be cited as the Joshua Tree National Park Expansion Act.

2.

Expansion of Joshua Tree National Park

(a)

Boundary adjustment

Section 402 of the California Desert Protection Act of 1994 (16 U.S.C. 410aaa–22) is amended, in the first sentence, by inserting after October 1991 or prior, the following: and including the approximately 20,149 acres of land generally depicted on the map entitled Joshua Tree National Park Proposed Boundary Addition, numbered 156/193,676, and dated June 2024.

(b)

Transfer of administrative jurisdiction

Administrative jurisdiction over the land described in the amendment made by subsection (a) is transferred from the Bureau of Land Management to the National Park Service.

(c)

Land acquisition

(1)

In general

Subject to paragraph (2), the Secretary of the Interior may acquire land and interests in land within the boundary of the Joshua Tree National Park by—

(A)

donation;

(B)

purchase from a willing seller;

(C)

exchange; or

(D)

transfer.

(2)

Limitation

Any land or interest land within the boundary of the Joshua Tree National Park that is owned by the State of California or a political subdivision of the State of California may only be acquired by the Secretary of the Interior by donation or exchange.

3.

Technical correction

Section 1433(a) of the John D. Dingell, Jr. Conservation, Management, and Recreation Act (Public Law 116–9; 133 Stat. 700) is amended by striking 156/149,375 each place it appears and inserting 156/149,375A.

4.

Redesignation of the Cottonwood Visitor Center at Joshua Tree National Park as the Dianne Feinstein Visitor Center

(a)

Redesignation

The Cottonwood Visitor Center at Joshua Tree National Park, or any successor to that visitor center, shall be known and designated as the Dianne Feinstein Visitor Center.

(b)

References

Any reference in a law, map, regulation, document, paper, or other record of the United States to the visitor center referred to in subsection (a) shall be deemed to be a reference to the Dianne Feinstein Visitor Center.