"The tallest sand dune rises 470 feet above small lakes in the high desert south of Mountain Home," according to the park's official website. I don't think this was the tallest one, but I did climb/trudge (sand being more difficult to traverse than solid ground) to the crest of this one.

July 31, 2005 | Sights along the way 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11