The total elevation difference for Bluff Lake Trail is 3,531 feet which is a higher than average number. Keep in mind that this is a long great outdoors hiking trail, so don't forget to pack enough supplies. Some parts of this great outdoors trail are much higher up than other parts of the great outdoors trail, so keep in mind that you may need to dress differently at different elevations. This hike should take you about 3 days, so it's a fine thing if your backpack is big enough to do the job. This great outdoors hiking trail sometimes gets very dry, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire. This backcountry trail has only one trailhead, so you're looking at an in and out walk. With its 19 miles of walking distance; it's considered a longer walk.