This hiking trail has only one trailhead, so you're looking at an in and out hike. This is not a very long hiking and backpacking trail but you should still bring some emergency supplies just in case something happens. You should count on this walk taking about .5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. Boulder Lake Trail is .8 miles long it's a short backpacking trail. The total elevation difference for Boulder Lake Trail is 196 feet which is lower than average. There's not much difference in elevation along the backpacking trail which means the conditions are about the same from start to finish. This vicinity does get very dry sometimes, so do check for current fire restrictions before you go if you plan to bring a stove or make a camp fire.