Woman's Death On Scottsdale Trail Likely Heat-Related: Reports

SCOTTSDALE, AZ—A Rhode Island woman who was found dead on a hiking trail Sunday night may have died of a heat-related illness, multiple media outlets report.

Donna Miller, 57, of Rhode Island was found by Maricopa County Mountain Rescue Team members north of the Brown's Ranch trailhead around 9 p.m. Sunday, FOX 10 reports.

Officials said Miller and her husband went hiking around 12:30 p.m. and separated. He called 911 around 3:15 p.m. after she did not return to their meeting spot, according to ABC15.

Scottsdale Police told FOX 10 her death appears to be due to heat and environmental exposure.

The Maricopa County Medical Examiner's office has not yet released a cause of death.

Scottsdale Deputy Fire Chief Adam Hoster told AZFamily that the fire department has had 15 mountain rescues since July.