Trail · Arizona
Leashed dogs (6ft) on every trail above the rim, including the Rim Trail, and in the developed areas and campgrounds. Never below the rim, and not on the shuttle buses. The kennel near Maswik Lodge takes dogs for the day.
The South Rim, where the Rim Trail follows the edge of the canyon from viewpoint to viewpoint.
The policy above is the standing rule of the agency that manages this land, as published on its own pages. Official page.
Rules change, and seasonal beach rules change twice a year. Check before a long drive.