Canyon Creek Hoh Trail has only one trailhead, so in and out is the way to walk it normally. This backpacking trail has a total elevation difference of 5,242 feet which is higher than average. Canyon Creek Hoh Trail is 29.6 miles long; it's longer than many hiking trails. This hiking trail goes through some very different elevations, so keep in mind that you may need to dress differently at different elevations. Of course, this is an overnight backcountry walk, 4 days normally, so make sure you've got all your overnight gear packed. Now this hiking trail is pretty long, so don't forget to pack enough supplies.