Glacier Lakes Trail is a one trailhead great outdoors trail, so you're looking at an in and out walk. This backpacking and hiking trail sometimes gets very dry, so donít forget to check for any current fire restrictions before you go. This is a backpacking and hiking trail that is quite long, so make sure you bring plenty of supplies. There's not much difference in elevation along the backcountry hiking trail, so you wonít have to worry about different climate zones along your hike. With its 9 miles of walking distance it's a mid length hike. This trek shouldn't take more than 8 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. The total elevation difference for Glacier Lakes Trail is 770 feet, and that is lower than average.