Interdune Boardwalk Trail

"Anything that lives where it would seem that nothing could live, enduring extremes of heat and cold, sunlight and storm, parching aridity and sudden cloudbursts, among burnt rocks and shifting sands, any such creature, beast, bird, or flower, testifies to the grandeur and heroism inherent in all forms of life. Including the human. Even in us." -Edward Abbbey

The bumpy stuff is cyanobacteria which adds nutrients to the soil and helps plants grow, so don't step on it.

You can rent sand boards and go sledding.