The Bonita Creek Basin is a relatively small, 457 square mile basin in the northeast portion of the planning area.  Geographic features and principal communities are shown on Figure 3.2-1.  The basin is characterized by medium-high elevation plains and mountain ranges.  Vegetation is primarily Plains and Great Basin grassland with smaller areas of Great Basin conifer forest, madrean evergreen woodland, semi-desert grassland and Arizona uplands Sonoran desertscrub (see Figure 3.0-9).  Riparian vegetation includes mixed broadleaf, strand and mesquite on Bonita Creek.

Principal geographic features shown on Figure 3.2-1 are:

• Ash Flat, a medium-high elevation plain north of Arsenic Tubs

• Bonita Creek, which runs north-south through Bonita Camp

• South Fork Ash Creek west of Arsenic Tubs and Park Creek, a tributary to Bonita Creek

• The Gila Mountains along the southern basin boundary

• Nantac Rim along the northern boundary, with the highest point in the basin at 7,292 feet.

• The lowest point in the basin at 3,800 feet where Bonita Creek exits the basin