# Man Disappears in National Park, K-9 Finds Him

> A 70-year-old man vanished in Hawaii Volcanoes National Park, then was found alive by a K-9 dog after a 24-hour search.
- Title: Man Disappears in National Park, K-9 Finds Him · Fox News
- Summary: A 70-year-old man vanished in Hawaii Volcanoes National Park, then was found alive by a K-9 dog after a 24-hour search. David Arai, a 70-year-old hiker, was…
- Keywords: hawaii volcanoes national park, david arai, k-9 trina, hawaii police department, missing person search, dehydrated, news, politics, Man, Disappears, National, Park
- Source: Fox News — https://foxnews.com/travel/mans-puzzling-disappearance-national-park-triggers-frantic-24-hour-search
- Author: Kelly McGreal
- Published: 2026-10-21T00:00:00+00:00
- Read time: 1 min
- Topics: hawaii volcanoes national park, david arai, k-9 trina, hawaii police department, missing person search, dehydrated, news, politics
## Man Disappears in National Park
A 70-year-old man vanished from O'ahu, prompting a 24-hour search in Hawaii Volcanoes National Park.
## Identified as David Arai
The man was identified as David Arai, a 70-year-old who frequently hiked alone in the area.
## K-9 Trina Joins Search
A 3-year-old K-9 dog named Trina, trained to track missing people, assisted police in the search.
## Found After 24 Hours
Trina located David Arai 2 miles from his rental car, where he was lying in bushes with dehydration and exposure.
## Transported to Medical Center
Arai was carried to the trailhead and taken to Hilo Benioff Medical Center for dehydration and exposure treatment.
## Key takeaway

David Arai, a 70-year-old hiker, was found alive in Hawaii after disappearing for 24 hours in a national park.