Beginning October 15, 2026, at 11:59 p.m., a section of the North Kaibab Trail in Grand Canyon National Park will close to all public access for critical pipeline rehabilitation work on the Transcanyon Waterline. The closure area will be between Redwall Bridge (2.5 miles north of Manzanita Rest Area) and the northern end of Cottonwood Campground.
The Transcanyon Waterline, a 12½-mile water pipeline constructed in the 1960s that conveys water from the Roaring Springs source on the North Rim to the Havasupai Gardens pump station and ultimately to the South Rim, is currently being replaced, as it has moved beyond its expected useful life. Work on the project began in 2023.
The hard closure on the North Kaibab Trail will remain in place through approximately February 2027. There will be no alternative routes or detours available through this section of trail. Park staff says the closure is necessary to ensure the safety of both visitors and work crews operating in a narrow corridor with heavy equipment and active construction.
Cottonwood Campground will remain open during this closure period, though water at the campground will be turned off beginning October 15, and backcountry users should plan to treat creek water.
The remainder of the North Kaibab Trail is expected to remain open and accessible during this time. The trail will be open from the North Kaibab Trailhead south to Redwall Bridge, as well as from Phantom Ranch north to the northern end of Cottonwood Campground.
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