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A Giant “Grandmother” Tree Sparked a New Struggle to Block Trump’s Border Wall

24 0
27.08.2026

Special Investigations

Press Freedom Defense Fund

A Giant “Grandmother” Tree Sparked a New Struggle to Block Trump’s Border Wall

A single tree sit harnessed a cross-border movement to defend the Arizona borderland ecology. So far, the activists are blocking Trump’s wall.

Of the more than $170 billion that President Donald Trump secured for his border regime in the “One Big Beautiful Bill,” nearly $50 billion is allocated to border wall construction. Even with these enormous resources, however, the administration continues to face challenges constructing its monument to violent exclusion along the southern border through tribal, private, and state lands.

For nearly a month, the key force standing in the way of Trump’s border wall project in southeast Arizona has been a person sitting in a 200-year-old tree.

More precisely, at every moment since late July, one person — although not always the same person — has been on a platform in the branches of a giant cottonwood tree in Lochiel, Arizona, with an expanding encampment of primarily local activists 50 feet below.

The protesters’ aim is to stop the ongoing construction of two parallel, 30-foot-high border walls ripping through the remote San Rafael Valley.

Miles of the double wall structure have already been built in the area. This part of the valley is sparsely populated and hardly ever used as a border-crossing site by humans, but is renowned as a unique wildlife migration corridor. According to the Sierra Club’s borderlands coordinator, Erick Meza, the region is “a biodiversity hotspot and the most important jaguar corridor that we have left in the U.S.”

Residents from Lochiel and the surrounding area, including from Sonora, Mexico, had been coming together regularly for over a year for binational gatherings to organize against wall construction. They shared music, art, food, and ceremonies across the border, which is demarcated there by only a rancher’s wire fence.

“People got together that night and decided to go down and set up a tree sit in that final tree on the U.S. side.”

“People got together that night and decided to go down and set up a tree sit in that final tree on the U.S. side.”

The planned double wall structure, with a 60-foot no man’s land in between, would not only devastate the land and its ecosystems — it would also sever the binational life worlds of the area.

The “happenings,” as organizers called the gatherings, escalated into a continuous protest and tree sit when construction workers with government contractors Fisher Sand & Gravel crushed three giant cottonwood trees, known locally as “grandmother” trees, in one day on July 27.

Local activists moved in swiftly to save the last cottonwood standing on the U.S. side of the border, and the tree sit began.

“Momentum had been growing locally in the region to try to make more of an intervention,” said an Arizona-based participant in the tree sit, who asked for anonymity out of concern for government repression. “People got together that night and decided to go down and set up a tree sit in that final tree on the U.S. side, which was planned to be cleared.”

Ever since, a tree sitter has been in the cottonwood at all times, numerous participants told The Intercept.

The Feds Have Thousands of Stadium Lights on the Border. Switching Them On Would Devastate Desert Ecosystems.

“U.S. Customs and Border Protection identified four cottonwood trees on federal land in Lochiel, Arizona, that needed removal for planned border wall construction,” said a spokesperson from CBP. “Preconstruction surveys found no active migratory bird nests, and environmental monitors were present at the start of clearing activities to ensure work was limited to the identified trees. Three trees have been removed, and the remaining tree........

© The Intercept