My husband and I did a 3-day hiking trek in Ecuador. At 82 and 73, we're still adventuring together.

The author and her husband hiked the Quilotoa Loop over the course of three days.

Courtesy of Louisa Rogers

• After our friend hiked the Quilotoa Loop, my husband and I wanted to try doing it ourselves.
• It's a 22-mile three-day trek, and we were curious how we'd do at our ages.
• While it was difficult, it was also beautiful.

A year ago, a friend hiked the Quilotoa Loop, a three-day high-elevation trek in the Ecuadorian Andes. It's a challenging trek culminating...