I should have explained in my first post about Canyonlands that the national park is divided into three districts: Island in the Sky, Needles, and The Maze. These three districts are separated by deep canyons created by the Colorado and Green Rivers, making it impossible to go from one park to the other within national park boundaries. Each district has its own entrance, which takes at least a couple of hours to travel from one to the next. Last year during my first visit to Canyonlands, I sampled two days at Island in the Sky by checking out every overlook, walking all…