Calvert Cliffs This page and video cover parking, trailhead location, conditions, navigation, actual hiking time, and more. By the Numbers Distance: 3.8 Miles Round Trip Time: 1 hr. 40 min. Difficulty: 4/10 View: 7/10 Parking 10540 H G Trueman Rd, Lusby, MD 20657 ($5 in state) Trailhead At the bottom of the parking lot, where you’ll see a red sign. Bathrooms Just after you pass the guard gate and also a porta potty toward the end of the trail.