About the Study Guide

You are looking at the Nevada Offroad Rider’s Ed Study Guide. At the present time, you cannot obtain off-road education certification from Offroad Ed. However, you can use this Study Guide as a resource to learn more about off-road safety.

  • The Ordinary High Water Mark (OHWM) is a stain on rocks and trees along the shoreline of a waterway, defining where the highest water level usually is.
  • Areas below the OHWM, such as exposed shorelines and lake beds, are very important to ecosystems.
  • Because vehicles can easily damage these vulnerable areas, you should never operate below the OHWM.