CLAYTON -- An almost four-hour search Sunday evening turned up a 14-year-old boy with diminished mental capacity who went missing near the Morgan Territory Regional Preserve.

Jacob Weltz, 14, was found by a Contra Costa County Sheriff's deputy around 8:45 p.m. near North Livermore Road and Interstate 580. He appeared to be in good health, according to sheriff's spokesman Jimmy Lee.

Weltz disappeared around 5:15 p.m. near the 10000 block of Morgan Territory Road, in an unincorporated area south of Clayton.

Contact Daniel M. Jimenez at djimenez@bayareanewsgroup.com. Follow him at Twitter.com/DMJreports.