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H.R. 3286
U.S. House•In House Committee
Summary
H.R. 3286, the Mammoth Cave National Park Boundary Adjustment Act of 2025, was introduced in the House on May 8, 2025 by Rep. Brett Guthrie (R) with 5 co-sponsors. It was referred to Subcommittee on Federal Lands, and last saw action on Mar 18, 2026: Subcommittee Hearings Held.
Record
Text
H.R. 3286 has 5 co-sponsors.
hb3286/introduced-in-house.txt119 HR 3286 IH: Mammoth Cave National Park Boundary Adjustment Act of 2025U.S. House of Representatives2025-05-08text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 3286 IN THE HOUSE OF REPRESENTATIVES May 8, 2025 Mr. Guthrie introduced the following bill; which was referred to the Committee on Natural Resources A BILLTo modify the boundary of the Mammoth Cave National Park in the State of Kentucky, and for other purposes.1.Short titleThis Act may be cited as the Mammoth Cave National Park Boundary Adjustment Act of 2025 .2.Mammoth Cave National Park boundary modificationSection 11 of the Act of June 5, 1942 (56 Stat. 319, chapter 341; 16 U.S.C. 404c–11 ), is amended—(1)in the second paragraph, by inserting (adjusted for inflation in accordance with the Consumer Price Index published by the Bureau of Labor Statistics of the Department of Labor) after $350,000 ; and(2)by inserting after the second paragraph the following:The Secretary of the Interior may acquire the approximately 551.14 acres of land and any interests in land generally depicted as Proposed Addition on the map entitled Mammoth Cave National Park Proposed Southern Boundary Expansion Edmonson and Barren Counties, Kentucky , numbered 135/177,967 and dated May 2025, for inclusion in the Mammoth Cave National Park..
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-05-08
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To modify the boundary of the Mammoth Cave National Park in the State of Kentucky, and for other purposes.
Sponsors
Rep. Brett Guthrie (R) sponsors H.R. 3286, and 5 members have co-sponsored it.

Rep. · R–KY-2 · Sponsor
Introduced May 8, 2025

Rep. · R–KY-6 · Co-sponsor
Joined Jun 4, 2025

Rep. · R–OR-2 · Co-sponsor
Joined Jun 23, 2025

Rep. · R–KY-1 · Co-sponsor
Joined Jun 26, 2025

Rep. · D–KY-3 · Co-sponsor
Joined Jul 14, 2025

Rep. · R–KY-5 · Co-sponsor
Joined Jul 21, 2025
Committees
H.R. 3286 went before 2 committees: Federal Lands Subcommittee and Natural Resources.

Actions
H.R. 3286 has taken 4 actions since May 8, 2025, the latest on Mar 18, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Mar 18, 2026 | House | Subcommittee Hearings HeldFederal Lands Subcommittee | ||
Mar 11, 2026 | House | Referred to the Subcommittee on Federal Lands.Federal Lands Subcommittee | ||
May 8, 2025 | House | Introduced in House | ||
May 8, 2025 | House | Referred to the House Committee on Natural Resources.Natural Resources Committee |
Votes
H.R. 3286 has not gone to a roll call.
Related bills
1 bill is related to H.R. 3286, as Identical bill.
Titles
H.R. 3286 goes by 3 titles, 1 of them short titles.
- Mammoth Cave National Park Boundary Adjustment Act of 2025 — Display Title
- Mammoth Cave National Park Boundary Adjustment Act of 2025 — Short Title(s) as Introduced
- To modify the boundary of the Mammoth Cave National Park in the State of Kentucky, and for other purposes. — Official Title as Introduced
Lobbying
1 client hired 1 firm and 4 registered lobbyists who named H.R. 3286 in 2 quarterly filings, 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Budget/Appropriations, Energy/Nuclear, Natural Resources, Real Estate/Land Use/Conservation.
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| NATIONAL PARKS CONSERVATION ASSOCIATION | — | District of Columbia | 1 | 2 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| NATIONAL PARKS CONSERVATION ASSOCIATION | 1 | 2 | — |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| CHAD LORD | 1 | 1 | 2 |
| CHRISTINA HAZARD | 1 | 1 | 2 |
| EMILY DOUCE | 1 | 1 | 2 |
| JOHN GARDER | 1 | 1 | 2 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| NATIONAL PARKS CONSERVATION ASSOCIATION | NATIONAL PARKS CONSERVATION ASSOCIATION | 2026 first_quarter | $113.1K | 1st Quarter - Amendme… |
| NATIONAL PARKS CONSERVATION ASSOCIATION | NATIONAL PARKS CONSERVATION ASSOCIATION | 2026 first_quarter | $112.6K | 1st Quarter - Report |
Classification
The Congressional Research Service files H.R. 3286 under Public Lands and Natural Resources, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 3286’s is Public Lands and Natural Resources.
hr3286/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 3286, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 77 (Thursday, May 8, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. GUTHRIE:H.R. 3286.Congress has the power to enact this legislation pursuantto the following:Article 1, Section 8 of the United States Constitution.[Page H1945]
Source: congress.gov · legiscan.com
