TUCSON, Ariz. (KVOA) - New details have emerged regarding a woman who died while hiking in Oro Valley.

The medical examiner's office has determined that Lyn Lagergren, 53, died from heat exposure.

Lagergren was found unresponsive on August 30 on the Linda Vista hiking trail in Oro Valley.

The report indicates no evidence of medical intervention was found at the scene.

The high temperature that day reached 99 degrees.

The woman's cause of death has been ruled accidental.

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