FM 170

Historical Treasures Await on This Rarely Traveled Stretch of Big Bend’s River Road

September 30, 2019 | By E. Dan Klepper

Drive west along Farm-to-Market Road 170 from the border town of Presidio, leaving all convenience stores and gas stations behind, and you’ll travel two slim lanes of humped, serpentine blacktop, its edges collapsing like desert crust. The road’s convolutions mirror the Rio Grande to the left but after just a few miles, the river’s water diminishes, occasionally disappearing altogether. In its place, dense mesquite thickets and catclaw thrive along its dry bed, a thorny border wall of its own making.

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