This backcountry trail has a total elevation difference of 2,693 feet which is a higher than average number. Hidden Lake Trail is 5.8 miles long it's an average length backpacking and hiking trail. This is not a very long trail but it's always magnificent to bring some emergency supplies, you never know what could happen. Some parts of Hidden Lake Trail are much higher up than other parts of the backpacking and hiking trail, so keep in mind that you may need to dress differently at different elevations. This backcountry trail has only one trailhead, so you'll be trekking it in and back out. You should count on this trek taking about 5 hours, but of course some folks walk a bit slower and some a bit faster.