HARPSWELL — Cumberland County sheriff’s deputies and Maine Wardens helped rescue a Brunswick woman who became lost over the weekend while hiking with her teenage son in Harpswell.

The sheriff’s office was alerted to the problem at 9 p.m. Sunday. Theresa Desjardins, 45, had been hiking behind the Harpswell town office with her 15-year-old son when they became separated. He was able to find his way out and called for help.

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Deputies deployed two canine teams and after an hour, the woman was found off the Cliff Trail, stranded on the shoreline on some rocks, according to a release from Sheriff Kevin Joyce. She was not hurt but dehydrated and scared.

The darkness and rising tide made it dangerous to use a technical rescue to get her back up to the trail or to use a boat, so the deputies helped her to hike out over the rocky shore, the release said. The entire rescue took about four hours, Joyce said.