The remaining 16 miles of River Road were uneventful, even though we crossed many more washes and passed a third road barrier. The desert plant variety had changed, with ocotillo becoming plentiful. The road turned toward the north, and the Chisos Mountains were now visible on the northern horizon. We reached the western end of River Road, and Castolon was now only two miles away. Our F-350 had performed flawlessly, and I shifted out of four-wheel drive as we roared down paved highway, doing the legal speed-limit of 45 mph for the first time in nine hours of driving.

Be Advised:The information presented in this column is, to the best of our knowledge, correct and accurate at the time of publication. However, because of our lengthy lead time, we recommend you call the proper authorities or local experts for confirmation before visiting.

Editor's Note: Mud or snow on your windshield give you chills? Four-wheeling your weekends away? Got a good story to tell about it? Send us all the gear-popping seatbelt-tightening dust-kicking details in 500 words or less, along with your best photos (color slides, preferably), and we'll pay $300. Send to Truck Trend, c/o "On the Road," 6420 Wilshire Blvd., Los Angeles, CA 90048. We'll publish your adventures.