Английская Википедия:Boquillas Canyon
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Boquillas Canyon is a canyon in the Big Bend National Park. The canyon walls are 1,500 ft high and carved out of thick layers of limestone. The canyon length is a matter of some debate, with estimates ranging from 5 miles to 17 miles, depending on the chosen endpoint.[1] The Rio Grande river currents through the canyon are rated up to Class II.[2]
Etymology
Boquillas means "little mouths" in Spanish, perhaps a reference to the canyon's narrow mouth.[1]
References
Шаблон:BrewsterCountyTX-geo-stub
