With its 3.8 miles of walking distance it's a short backpacking trail. There's not much difference in elevation along the backpacking trail, so you won’t have to worry about different climate zones along your backcountry hike. You should count on this backcountry trek taking about 3.5 hours, but of course some people walk a bit slower and some a bit faster. Sometimes this hiking trail gets really dry, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire. Ben Johnson Trail is not that long but it's always magnificent to bring some emergency supplies, you never know what could happen. The total elevation difference for this hiking trail is 1,350 feet which is an average number.