Gila Monster.
Tags: arizona,carrillo trail,gila monster,pima county,rincon mountains,saguaro national park,saguaro wilderness area

Steel Tank and Smaller Cement Tank below Rock Spring.
Tags: arizona,carrillo trail,pima county,rincon mountains,rock spring,saguaro national park,saguaro national park east,saguaro wilderness area,tank,three tank trail

Alison across the Tank.
Tags: alison,arizona,carrillo trail,pima county,rincon mountains,saguaro national park,saguaro national park east,saguaro wilderness area,tank,three tank trail