Rapidan Trail has a total elevation difference of 1,359 feet, and that is about average. Rapidan Trail is a one trailhead backpacking trail, so you'll be backpacking it in and back out. The time needed for this hike is roughly 4 hours, but of course some people walk a bit slower and some a bit faster. There's not much difference in elevation along Rapidan Trail, so you wonít have to worry about different climate zones along your trek. Even though this is not a very long wilderness hiking trail it's always great to bring some emergency supplies, you never know what could happen. Rapidan Trail is 4.4 miles long it's a mid length trek. At parts of the year this region sees very little rain, so donít forget to check for any current fire restrictions before you go.