Dalles Ridge Trail has a total elevation difference of 558 feet which is lower than average. Dalles Ridge Trail is not that long but you should still bring some emergency supplies just in case something happens. Dalles Ridge Trail stays roughly within the same elevation zone the whole time which means the conditions are about the same from start to finish. There is only one trailhead, so you'll be backcountry trekking it in and back out. Being 4.8 miles long it's a mid length trek. You should count on this trek taking about 4.5 hours, but you never know stuff could go wrong and you could get stuck so be prepared for that.