Trail · Nevada
Leashed dogs (6ft). Lake Mead welcomes them on most trails, many beaches and in the campgrounds. Summer tops 100F: go early, carry water, and never leave a dog in the car.
The old railroad grade built to haul supplies for Hoover Dam, through five tunnels above Lake Mead.
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.