Four teens were injured in a crash while off-roading in the Rillito River Sunday afternoon. 

The teens were in a small pick-up truck and were driving west toward the Santa Cruz River when they drove off a steep drop, west of Interstate 10, Capt. Adam Goldberg, a northwest fire spokesman said in a news release. 

One girl and three boys, ranging in age from 15 to 19 years old, were taken to the trauma center at University of Arizona Medical Center, the release said. 

Their injuries ranged from minor to serious. None were considered life-threatening. 

The 18-year-old driver was not injured. 

The Marana Police Department is investigating the crash.