The Trump administration has provoked significant backlash by waiving a range of environmental and historical preservation laws, paving the way for the construction of a border wall through Big Bend National Park in south Texas. This vast, protected wilderness, renowned for its diverse ecosystems and cultural significance, now faces the prospect of substantial infrastructure development.
Last year, the US Congress committed a substantial sum of $46.5 billion towards border wall construction, intensifying President Donald Trump's objective to fortify the southern border with Mexico. A considerable portion of the remaining unwalled frontier, approximately 500 miles, falls within what Customs and Border Protection (CBP) designates as the 'Big Bend sector'. This corridor encompasses some of Texas's largest protected land areas, including Big Bend National Park, Big Bend Ranch State Park, and the Black Gap Wildlife Management Area.
The decision to potentially scar these landscapes for border security has drawn fierce criticism from a bipartisan coalition of local leaders and public land users. The outrage is particularly pronounced regarding Big Bend National Park, an 800,000-acre expanse of Chihuahuan desert, punctuated by the Chisos mountain range, which attracts half a million visitors annually for hiking, camping, stargazing, and rafting on the Rio Grande. Critics highlight that this push for construction comes at a time when unauthorised immigrant crossings are reportedly plummeting.
For several months, CBP's intentions for Big Bend National Park have been unclear, with the agency providing only vague and infrequent updates. An interactive map on their website initially showed plans for a steel bollard wall along the park's river frontage, triggering an outcry. This was later revised to indicate only detection technology, but the current iteration proposes new roads along the park's southern border, alongside four separate 4-6ft tall barriers designed to stop vehicles. The Department of Homeland Security's (DHS) recent waiver in the Federal Register grants CBP broad authority to construct various security infrastructures, from 30ft steel bollard fencing to unpaved roads, within the park.
The waiver sets aside crucial protections outlined in major legislation, including the National Environmental Policy Act, the Endangered Species Act, the Clean Water Act, and the Native American Graves Protection and Repatriation Act. The Big Bend area is a critical habitat for several endangered species, supports a struggling population of bighorn sheep, and holds a significant concentration of Native American rock art and petroglyphs, all of which could be impacted by the proposed construction. US Representative Lloyd Doggett, a Democrat from Texas, has condemned the move as 'ludicrous', pointing out that illegal crossings in the rugged Big Bend region are already rare, accounting for less than half a percentage point of all nationwide illegal border crossings last year.
The only formally proposed infrastructure project within the park itself is a 17-mile, non-contiguous 'vehicle barrier system' across four locations, comprising steel rails and posts 4-6ft tall. This is accompanied by plans for 205 miles of roads up to 24ft wide, equipped with detection technology, utility poles, lighting, and surveillance cameras. Two of these proposed vehicle barriers are situated in the middle of the park's river frontage, with one at each end, raising concerns about the dramatic alteration of this pristine wilderness.