"Ranging in elevation from approximately 4,100 feet to 4,700 feet, the trail takes you down into some very rocky arroyos, with rocks as large as 12 inches to 18 inches in diameter. There are also a few ledges (ranging from 2 feet to 3 feet), which you must ascend and descend. At Waypoint HJ19 is "The Grease Pit", which gets it name from the approximately 4-foot deep crevice that that you must carefully straddle to cross; over which, you might want to change your oil if you have time . It's highly recommended that you use a spotter to navigate the Grease Pit! Otherwise use the bypass to the left. The trail is a little less than 3.5 miles long and takes approximately 3 hours or so to complete."