Grant Creek Three hundred five Trail has only one trailhead, so you're looking at an in and out backcountry trek. Grant Creek Three hundred five Trail goes through some very different elevations which of course means you need to be prepared for different conditions on different parts of the trail. The total elevation difference for this hiking trail is 4,569 feet which is higher than average. With its 10 miles of walking distance; it's longer than many trails. This trek shouldn't take more than 8.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. At parts of the year this neighborhood sees very little rain, so donít forget to check for any current fire restrictions before you go. This is a hiking and backpacking trail that is quite long, so make sure you bring plenty of supplies.