Me and my husband are planning a rim to rim hike starting at North Rim in late Sep. or early Oct.. We want to start at the North Rim by spending the night at the North Rim campground then proceeding to the trailhead in the morning to start our hike down. How far is the trail head from the North Rim campground? Is is a long walk or do you need to get some kind of shuttle to get to the trailhead? I don't mind walking about a mile or so but don't want to burn up alot of time and energy that I will need for the hike down. Also are there showers available at the North Rim campground? Would like to start off clean as we won't be showering till we reach the South Rim.