The Shivwits Plateau Basin, located in the western part of the planning area is 1,821 square miles in area.  Geographic features and principal communities are shown on Figure 6.5-1.  The basin is characterized by plateaus, canyons and cliffs. Vegetation is primarily Great Basin conifer woodland, Great Basin and Mohave desertscrub and Plains and Great Basin grassland with small areas of Rocky Mountain and madrean montane forest and interior chaparral. (See Figure 6.0-11)

Principal geographic features shown on Figure 6.5-1 are:

• The Colorado River and Lower Granite Gorge of the Grand Canyon forming the southern basin boundary

  Shivwits Plateau running north south throughout most of the basin and the Sanup Plateau in the southwest

• Hurricane Cliffs on the northeastern basin boundary

  Mt. Dellenbaugh, located south of Oak Grove, the highest point in the basin at 7,072 feet

• The lowest point at approximately 1,200 feet where the Colorado River exits the basin.

Click to view Table 6.5-1 Shivwits Plateau Basin

Geographic Features