This is not a very long great outdoors hiking trail but it's always perfect to bring some emergency supplies, you never know what could happen. Being 4.2 miles long it's an average length great outdoors hiking trail. You should count on this backcountry walk taking about 3.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that. This region 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. This hiking trail has a total elevation difference of 1,563 feet, and that is about average. Corte Madera Trail is a one trailhead hiking trail, so in and out is the way to backcountry trek it normally. Different parts of this great outdoors hiking trail are at very different elevations, and that means that some parts of the great outdoors hiking trail could be very different from other parts of it.