Trans-Canyon Telephone Line
Trans-Canyon Telephone Line, Historical telephone line in Grand Canyon National Park, Arizona, US.
The Trans-Canyon Telephone Line spans 18 miles through Grand Canyon National Park, connecting the South Rim near Bright Angel Lodge to the North Rim.
The Civilian Conservation Corps constructed this communication system in 1935, utilizing 592 assemblies of galvanized pipes to support the copper wire infrastructure.
The telephone line represents the National Park Service's commitment to developing infrastructure during the Great Depression while providing employment opportunities for young workers.
Located along Bright Angel and North Kaibab Trails, visitors can observe the remaining telephone poles that demonstrate early 20th-century communication technology.
The structure earned recognition on the National Register of Historic Places in 1986 for its distinctive open-wire copper-weld technology and minimal environmental impact design.
Location: Coconino County
Inception: 1935
Architects: National Park Service
GPS coordinates: 36.11000,-112.09278
Latest update: September 23, 2025 14:25
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