The total elevation difference for Crater Rim Trail is 474 feet, and that is lower than average. You spend the whole hike in roughly the same elevation zone which means the conditions are about the same from start to finish. This hiking trail sometimes gets very dry, so make sure you check current conditions and fire restrictions with local forest authorities before you head out. Being 10.6 miles long; it's longer than many wilderness hiking trails. Now, this is roughly a 1.5-day walk, so make sure you've got all your overnight gear packed. Crater Rim Trail is quite long, so do pack enough food to last the whole trip.