Sometimes this trail gets really dry, so donít forget to check for any current fire restrictions before you go. This great outdoors hiking trail has a total elevation difference of 4,673 feet, and that is higher than average. Now this trail is pretty long, so make sure you bring plenty of supplies. Being 29.8 miles long; it's a long wilderness hiking trail. This great outdoors hiking trail has only one trailhead, so in and out is the way to trek it normally. Now, this is roughly a 4.5-day trek, so make sure you've got all your overnight gear packed. Different parts of Monument Creek Trail are at very different elevations, so keep in mind that you may need to dress differently at different elevations.