# 119-s-1674: Mammoth Cave National Park Boundary Adjustment Act of 2025

119-s-1674, Mammoth Cave National Park Boundary Adjustment Act of 2025, is a 119th Congress bill sponsored by Sen. McConnell, Mitch [R-KY] (R-KY); status in_committee; PRIA reads it as touching household money (as of 2026-09-10).

- Canonical: https://policyrisk.com/legislation/119-s-1674
- As of: 2026-09-10
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-1674
- Congress: 119
- Title: Mammoth Cave National Park Boundary Adjustment Act of 2025
- Status: in_committee
- Introduced: 2025-05-08
- Sponsor: Sen. McConnell, Mitch [R-KY] (R-KY)
- Cosponsors: 0
- Policy area: Public Lands and Natural Resources
- Touches household money: yes
- Last recorded action: 2026-09-10

## Summary

**This bill would expand Mammoth Cave National Park by about 551.14 acres.** It would update a 1942 law so the $350,000 purchase limit is adjusted for inflation using the Consumer Price Index from the Bureau of Labor Statistics and it would authorize the Secretary of the Interior to acquire the parcel shown on the May 2025 map numbered 135/177,967 for inclusion in the park.

## Provisions PRIA read

- Higher purchase cap for nearby landowners: benefit, medium. If enacted, the bill would make the $350,000 land purchase cap adjust for inflation. The adjustment would follow the Consumer Price Index from the Bureau of Labor Statistics. The change would take effect upon enactment. Property owners selling land or interests under that statute would potentially…
- Mammoth Cave boundary may expand: mixed, medium. If enacted, the Secretary of the Interior would be authorized to acquire about 551.14 acres shown as "Proposed Addition" on the Mammoth Cave map dated May 2025 (map number 135/177,967). The authority would permit acquiring the land and any interests in land for inclusion in Mammoth Cave National Pa…

## Related bills

- 119-s-2572: Department of Defense Appropriations Act, 2026
- 119-sres-94: An original resolution authorizing expenditures by committees of the Senate for the periods March 1, 2025, through September 30, 2025, October 1, 2025, through…
- 119-s-1949: Combating Violent and Dangerous Crime Act
- 119-s-476: White Oak Resiliency Act of 2025
- 119-s-5025: Lindsey O. Graham Sanctioning Russia Act of 2026
- 119-s-1241: Sanctioning Russia Act of 2025

## Sources
- [119-s-1674 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/1674)

## Related
- [119-s-2572: Department of Defense Appropriations Act, 2026](https://policyrisk.com/legislation/119-s-2572)
- [119-sres-94: An original resolution authorizing expenditures by committees of the Senate for…](https://policyrisk.com/legislation/119-sres-94)
- [119-s-1949: Combating Violent and Dangerous Crime Act](https://policyrisk.com/legislation/119-s-1949)
- [119-s-476: White Oak Resiliency Act of 2025](https://policyrisk.com/legislation/119-s-476)
- [119-s-5025: Lindsey O. Graham Sanctioning Russia Act of 2026](https://policyrisk.com/legislation/119-s-5025)
- [119-s-1241: Sanctioning Russia Act of 2025](https://policyrisk.com/legislation/119-s-1241)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-1674 (as of 2026-09-10).