Mary K. Hanson

Joined: Sep 23, 2014 Last Active: Mar 20, 2024 iNaturalist

I am a Certified California Naturalist, author and nature photographer living with terminal cancer.

Despite my cancer diagnosis, I continue to volunteer where and when I can. In 2021, I completed my first #52HikeChallenge, and I'm doing it again this year.

The author of “The Chubby Woman’s Walkabout”™ blog (, I’ve also written nature-based feature articles published in regional newspapers, authored several books, including my “Cool Stuff Along the American” series of guide books, and have had my photographs featured in books, magazines, articles, calendars, and even the White House blog. You can see some of my books at (Just do a search for "Mary K. Hanson" and they'll come up.)

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